00306nam a2200121Ia 4500008004100000041000800041082001800049100001500067245004500082250001000127260003900137300000800176211209s1978    xx            000 0 und d  aeng  a003.3 N78 LEE  aLEE, BARRY  aINTRODUCING SYSTEMS ANALYSIS AND DESIGN   a2 ed.  aNEW DELHIbGALGOTIA PUB LTD.c1978  a556