Sarkar, Subir Kumar. Operational amplifiers and their applications [[Book] /] Subir Kumar Sarkar. - New Delhi : S.chand & company.ltd., 2003. - 440p. : ill ; 24 cm . All Ages. ISBN: 8121917794 Subjects--Topical Terms: Operational amplifiers. . Dewey Class. No.: 621.395 National Library of Medicine Call No.: / S O