Virmani, O.P.. Applied chemistry / O.P. Virmani, A.K> Narula. - d ed / . - New Delhi : New Age International , no date . - 321p, : ill.,figs., ; 22cm. . NULL ISBN: 8122408141 Rs.120=0 Subjects--Index Terms: CHEMISTRY Dewey Class. No.: 546 / VIR/A