TY  - BOOK
AU  - Den Hartog,J.P.
TI  - Strength of materials
U1  - 620.11 
PY  - 1949///
CY  - New York
PB  - Dover Pubs
KW  - strength of materials
KW  - Strains and stresses
KW  - Beams(Engineering)
KW  - Testing
N1  - Includes index
ER  -