000 00516nam a2200097Ia 4500
008 120223s9999 xx 000 0 und d
082 _a370.1 ENN
100 _aEnnis, Robert H.
245 _aLogic in teaching
260 _bPrentice-Hall, Inc., Englewood Cliffs
_aNew Jersey
_c1969
999 _c150459
_d150459