TY  - BOOK
AU  - Charles Wilbur Leigh
AU  -  John Frederic Mangold, 
TI  - Practical mechanics and strength of materials. ED 3
U1  - 620.1 
PY  - 1940///
CY  - New York
PB  - McGraw Hill Book Co.
N1  - Charles Wilbur Leigh & John Frederic Mangold: Practical mechanics and strength of materials. ED 3.  (3rd Edition.)  New York.  McGraw Hill Book Co., 1940.--(620.1LEI)
ER  -