000 00297nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aHMSO
245 0 _aAudio visual aids in higher scientific e
260 _cHMSO Publication
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c33688
_d33688