Chhatwal, G.R.. Environmental radiation and thermal pollution and their control / G.R. Chhatwal. - New Delhi : Anmol Publications , 1989. - viii,200p. : figs.,tables ; 22cm. . NULL ISBN: 8170412013 Rs 300.00 Subjects--Index Terms: THERMAL POLLUTION Dewey Class. No.: 363.7394 / CHH/E