000 00322nam a2200121Ia 4500
008 180712s9999 xx 000 0 und d
020 _a878915435
082 _a621.38
_bELE
245 _aTHE ELECTORNIC problem solver
260 _aNew York
_bResearch and Education Association
_c1982
300 _axi, 1297 p.
942 _cPR
999 _c41830
_d41830