TY  - BOOK
AU  - Polivanov, P.
AU  - Polivanova, E.
TI  - Tables of weights: machine elements and materials
SN  - 5-03-000813-6
U1  - 621.8021 
PY  - 1989///
CY  - Moscow
PB  - Mir
KW  - Machine engineering-Tables
ER  -