00232nam a22001097a 4500 621.38OPP Oppenheim,Allan V Signal & Systems 2nd Ed India Pratice-Hall 1997 BK 23283 23283 0 0 0 0 RCMS RCMS GEN 2013-03-07 Purchase 419.49 2 621.38OPP RCMS000033 2018-03-01 2018-02-23 2017-01-05 BK