Money circulation in Seuthopolis and the mint of Seuthes ІІІ. The Thracian City of Seuthopolis. – BAR Suppl. Series 38, Oxford, 1978, 33-42.
Observations on a hoard of folles from Bulgaria. – EB 2, 1979, 104-108.
Zwei Schatzfunde des 4.Jahrhunderts u.Z. aus Bulgarien. – Chiron, 1979, 607-620.
New Types of Thracian Bronze Coins from the Excavations in Seuthopolis. – BHR 1, 1980, 76-84 (= СА 3, 1980).
La circulation monétaire a Novae au IV siècle. – Pulpudeva 3, 1980, 199-205.
The Coinage of Spartocus and Some Problems in the Political Development of Thrace in the Beginning of the Hellenistic Age. – EB 3, 1981, 98-107.
Circulation de monnaies Macédoniennes et monnaies des Diadoques a Seuthopolis pendant la haute époque hellénistique. – In: Actes du IXe Congrès International de Numismatique. Louvain-la-Neuve, 1979, 227-231.
La circulation, monétaire a Novae pendant la seconde moitié du III siècle (selon les trouvailles numismatiques du secteur Est). – Pulpudeva 4, 1983, 290-295.
The coinage of the Thracian ruler Skostokos according to the coin hoard from Plovdiv, 1907 (IGCH No 869). – BHR 4, 1984, 71-87.
Frappes dynastiques en Thrace au début de l'époque hellénistique. Ateliers et production. – In: Rythmes de la production monétaire. Actes du colloque, Paris, 1986, 31-38.
Notes on some Alexander coinages from the early Hellenistic period: Seleucia on the Tigris, Marathus, Laodicea ad Mare, Antioch on the Orontes. – In: Proceedings of the 10th International Congress of Numismatics. London, 1986, 17-22.
Observations on several hoards of gold Hellenistic coins from the Balkan peninsula. – EB 3, 1987, 103-116.
Studies of the numismatic material found at Seuthopolia: problems, research methods and basic conclusions. – American Numismatic Society Museum Notes 32, 1987, 1-10.
Concerning the Iconography of the Thracian Royal Portrait in the Early Hellenistic Age. – BHR 2, 1987, 63-68.
Images of the Thracian Rulers from the Pre-Hellenistic age. – BHR 1, 1988, 56-59.
On the Problem of the Inter-Balkan Trade Relations During the Early Hellenistic Age: The Coin Hoard IGCH 4.35. – EB 4, 1988, 115-125.
Some new evidence and reflections on the origin of arrow-head money in Thrace. – Thracia Pontica 4, 1988, 205-208.
Dynastic Coinages in Thrace in the Early Hellenistic Age (340-270): Images, Traditions, Ideology. – BHR 2, 1989, 67-74.
Early Hellenistic Hoards of Alexander Type Silver Coins from the Museum of History and Art in Varna. – EB 3, 1989, 87-110.
The Contacts of Thrace during the Early Hellenistic Age, Reflected in Some Coin Hoards. – BHR 4, 1990, 47-65.
Balkans and "East Celts". – In: A Survey of Numismatic Research 1985. Brussels, 1991, 267-282.
Unpublished coin hoards from early Hellenistic Thrace. – BHR 3, 1992, 49-54.
Le monnayage et l’idéologie royale en Thrace pré hellénistique (fin du VIe - première moitié du IVe s. av. J.-C.). – In: Actes du XIe Congrès International de Numismatique (8-13 septembre 1991, Bruxelles). Louvaine-la-Neuve, 1993, 151-163.
Contribution à l'étude du monnayage du bronze de Messambria Pontica à l'époque hellénistique. – Thracia Pontica 5, 1994, 191-194.
Novae on the Lower Danube as an Early Christian Center (5-6 Century AD). – In: Akten des XII Internationalen Kongresses für christliche Archäologie (Bonn, 1991), Teil 2. Münster, 1996, 700-705.
IGCH 843 (Nessebar 1959) and the bronze coinage of Messambria Pontica in the late 4 c. BC. – In: Studia in honorem Georgii Mihailov. Sofia, 1996, 143-145.
La céramique hellénistique de la ville de Sborianovo. – In: Δ’ Επιστημονικη Σιναντηση για την Ελληνιστικη κεραμικη (μαρτιοσ, 1994, Mytileni). Athens, 1997, 128-134, pl. 98-102 (with M. Čičikova).
Hoard of Hellenistic bronze coins from Mesambria Pontica in the depository of the National Archaeological Museum in Sofia (IGCH 884). – Thracia 11. Studia in honorem Alexandri Fol, 1997, 409-416.
Monetazione. – In: Enciclopedia dell’arte antica. Classica e Orientale. Thracia arte. Roma, 1997, 813-815.
A new Alexander-type tetradrachm from Susa. – Orpheus 7, 1997, 97- 99.
On the Coin Policy of Philip II and Alexander the Great in the South of the Thracian Black Sea Coast. – Thracia Pontica 6.1, 1997, 97-100.
Images of the Thracian Rulers from the Sveshtari tomb. – Pulpudeva 6 Suppl., 1998, 117-120.
Poznorimskie i wczesnobizantyjskie monety z odcinka IV w Novae z lat 294-612. – Novaensia 11, 1998, 99-112.
CH IV 28 et la chronologie des monnaies d'argent d'Histria au 4e s. av. J.C. – In: Griechisches Münzwerk. Stephanos nomismaticos. Edith Schönert-Geiss zum 65. Geburtstag. Berlin, 1998, 215-218.
Monnaies et objets d’or sur le territoire d'un Etat Thrace de l'époque haut-hellénistique. – In: L’or dans l'antiquité de la mine à l’objet. Limoges, 1999, 401-408.
Monnaies et instruments de pesage antique de Castra Martis. – In: Der Limes an der Unteren Donau von Diokletian bis Heraklios. Vorträge der internationalen Konferenz (1-5. September 1998, Svištov). Sofia, 1999, 37-48.
The Greek cities in Ionia and Karia and the Western Black Sea area during the Early Hellenistic Age. – In: 100 Jähre österreichische Forschungen in Ephesos. Wien, 1999, 179-184.
Macedonian Royal Traditions in Early Hellenistic Thrace. – In: Ancient Macedonia. Proceedings of the Sixth International Symposium on Ancient Macedonia (1996, Thessaloniki), VI.I. Thessaloniki, 1999.
In Memory of Varbinka. Novae and the Barbaric Incursions in 238-251. – Orpheus 15, 2005, 79-98.
The Getic Territory of Sboryanovo, North-East Bulgaria, in the Late Hellenistic Age (2nd century BC – 1st century AD). – Thracia 17, 2007, 369-390.