00290nam a2200109Ia 4500008004100000041001200041100001700053245008000070260000600150650000600156700001800162221030s9999    xx            000 0 und d  aEnglish  aW. M. Newman 0aPrinicples of Interactive Compiler Graphicscby W. M. Newman, R. F. Sproull  c0  aB  aR. F. Sproull