TY  - BOOK
AU  - Chernev, Mincho
AU  - Stamenov, Mitre
AU  - Malshev, Georgi
TI  - Bulgarian engineering achievements in foreign countries
U1  - 620.94977 
PY  - 1963///
CY  - Sofia
PB  - State Publishing House
KW  - Engineering and Allied Science
ER  -