TY  - BOOK
AU  - Ahirrao Valimiki
TI  - Environmental science S.Y.B.Sc
U1  - 628 
PY  - 1989///-90
CY  - Poona
PB  - Nirali Prakashan
KW  - Environmental sciences:Sciences de l'environnement:TECHNOLOGY & ENGINEERING -- Environmental -- General
ER  -