00298nam a2200121Ia 4500082002100000100001700021245003300038260002800071300002200099500004500121500000500166700000500171  a518.542bG848.SP  aGries, David  aThe science of programmingb  aNew DelhibNarosac1981  axiii, 366p. Index  a"Springer international student edition"  a  a