TY  - BOOK
AU  - Den Hartog, J. P., 1901-1989 (Jacob Pieter) 
TI  - Strength of materials : J. P. Den Hartog
SN  - 9780486607559 
U1  - 620.11 DEN 2014 
PY  - 1977///
CY  - New York
PB  - McGraw-Hill Book Co.
KW  - Strength of materials
N1  - Sequel to Mechanics
ER  -