TY  - BOOK
AU  - Carberry, Judith Bower
TI  - Environmental Systems and Engineering 
SN  - 0030296579
U1  - 628 
PY  - 1990///
CY  - Philadelphia : 
PB  - Saunders College Publishing, 
KW  - Environmental Engineering
N1  - NN
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-030-29657-9.pdf
ER  -