TY  - BOOK
AU  - Beer, Ferdinand P  .
AU  - Johnston ,Russel E  .
TI  - Mechanics for engineers: Statics / 
SN  - 07-085030-5
U1  - 620.1053 
PY  - 1976///
CY  - New York : 
PB  - McGraw Hill Book Company , 
ER  -