TY  - BOOK
AU  - Perry, Robert H.
TI  - Engineering Manual 
SN  - 0070494762
U1  - 620.00202 
PY  - 1976///
CY  - New York : 
PB  - McGraw-Hill, 
KW  - Engineering Problems Exercises
N1  - NN
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-07-049476-2.pdf
ER  -