000 00286nam a2200121Ia 4500
008 220201s1972 xx 000 0 eng d
082 _bORR
100 _aOrr, J.M
245 0 _aDesigning library builders for activity
260 _bAndre Deutsche
_c1972
300 _a152
942 _2ddc
999 _c22132
_d22132