The Postglacial Vegetation History in Southwestern BulgariaSpassimir Tonkov · First published 2021Open the Tome
Conversations of the Superconscious, Vol. 1, Books 1-3Vladimir Tonkov · First published 2005Open the Tome
Phase transformations of elements under high pressureE. Yu Tonkov · First published 2005Open the Tome
Modern automotive technologyDuffy, James E., James E. Duffy, Tonkov, Fuki, Peter A. Fox, Robert M. Kerr · First published 1993Open the Tome
