Abbasi, S A. Biotechnological methods of pollution control / S.A.Abbasi, E Ramasami. - Hyderabad : Universities Press , 1999. - viii,168p. : ills,figs,tables ; 23cm . NULL ISBN: 8173710988 Rs.150.00 Subjects--Index Terms: ENVIRONMENTAL PROBLEMS Dewey Class. No.: 363.7 / ABB/B