Khanna, D. R.
Microbial ecology : a study of river Ganga / D. R. Khanna and Tarun Chugh. - New Delhi : Discovery, 2004. - [5], 277 p. : ill. ; 22 cm.
577.64 / KHM
Microbial ecology : a study of river Ganga / D. R. Khanna and Tarun Chugh. - New Delhi : Discovery, 2004. - [5], 277 p. : ill. ; 22 cm.
577.64 / KHM
