Darŭt v epokhata na negovata tekhnicheska vŭzproizvodimost
By: Ivaĭlo Dichev.
Publisher: Izd-vo "Lik"
Published: 1999
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 139
Subjects: Technological innovations; Technological innovations -- Europe, Eastern
Notes: Includes bibliographical references.