00476nam a22001697a 4500 20260420091252.0 260420b |||||||| |||| 00| 0 eng d 000 eng 624.38 SCH/C Schwartz, Mischa Communication Systems and Techniques / by Mischa Schwartz New York: Mcgraw- Hill Book Company, 1966. xiii, 617p.; Bennett, William R. Stein, Seymour BK 45877 45877 0 0 0 0 NFIC PBBCL PBBCL GEN 2026-04-20 0 621.38 SCH/C 10330 2026-04-20 2026-04-20 BK