000 00520nam a2200181Ia 4500
005 20250508150244.0
008 008 250505s9999 xx 000 0 eng d
037 _aReference
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a371.335, EXT
_qFEDL
100 _aExton William
_9322702
245 0 _aAudiovisual aids to instruction
260 _aNew York, USA
_bMcGraw Hill Book Company Inc
_c1947
300 _axiii,344p
942 _cREF
_h371.335, EXT
999 _c1322668
_d1322668