Bulgarien, Autokarte 1:400.000: Wegenkaart 1:400 000
Freytag & Berndt (9783707903225)
Freytag & Berndt (9783707903225)
(9783642407277 / 231 black & white illustrations, biograp) | Artificial Neural Networks and, Artificial Neural Networks
Springer Berlin Heidelberg (9783642331848 / 92 black & white illustrations, biograph)
(9783319886114) | Disaster Risk
(9781461480174 / 41 colour illustrations, biography)