00279nam a2200109Ia 4500008004100000041000800041082001200049100001900061245003600080260003400116999001900150231107s1992    xx            000 0 und d  aeng  a720.284  aGarcia,Nicolas  aLearning Architectural Drafting  aCanadabDelmar Learningc1992  c921800d921800