Kumar, Ram.
Environmental biodegradation / Ram Kumar. - New Delhi : Sarup & Sons, 2000. - 526 p : ill. ; 23 cm.
8176250996
Environment.
333.7 / KUE
Environmental biodegradation / Ram Kumar. - New Delhi : Sarup & Sons, 2000. - 526 p : ill. ; 23 cm.
8176250996
Environment.
333.7 / KUE
