00370nam a22001457a 4500 12222 12222 210125b ||||| |||| 00| 0 eng d 621 H6243 1156 Hibberd, R. G. Solid state electronics New-York McGraw Hill 1968 170 p. 67.12 Electronics BK 0 0 ddc 0 621_000000000000000_H6243 0 22756 CL CL 1971-01-04 Das Gupta & Co 621 H6243 03521 2021-01-25 BK