000 00710nam a2200241Ia 4500
003 OSt
005 20220926011358.0
006 a|||||r|||| 00| 0
007 ta
008 220923b |||||||| |||| 00| 0 eng d
037 _cGeneral Book
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _aT2:3,15, H9
100 _aWeaver Gilbert G
_9314103
245 0 _aVisual aids
_b Their construction and use
260 _aNew Jersey
_bVan Nostrand U S A
_c1949
300 _a388p.
_ccm.
650 _aSecondary Education
_9171032
700 _a Bollinger Elroy W
_9314104
942 _hT2:3,15, H9
_cGB
_2CC
999 _c619946
_d619946