TY  - BOOK
AU  - Beer,Ferdinand Pierre
AU  - Johnston,Elwood Russell
TI  - Mechanics for engineers: statics 
SN  - 0070042713
PY  - 1976///
CY  - New York [etc.]
PB  - McGraw-Hill Book Company
KW  - Mechanika
KW  - DBN
KW  - Statyka
N1  - Indeks
ER  -