TY  - BOOK
AU  - Yakubovich, A.
TI  - Problems in structural drawing 
SN  - 5030000534
U1  - 604.2 Y15p /1988 
PY  - 1988///
CY  - Moscow: 
PB  - Mir Publishers, 
KW  - Structural engineering
KW  - Structural drawing
ER  -