00239nam a2200097Ia 4500 231212s1992 xx 000 0 und d eng Liu Cheng Yu Microcomputers Systems New Delhi Prentic 1992 962890 962890 0 0 0 0 ITM ITM 2023-12-13 110.00 0 ITM-P-5742 2023-12-13 00:00:00 2023-12-13 BK