000 00289nam a22001097a 4500
082 _a371.33
_bUNE.A
245 _aAudio visual aids in higher scientific education /
260 _aLondon :
_bHer Majesty's Stationery Office,
_c1965.
300 _a152p. :
650 _aEducation
942 _cBK
999 _c632841
_d632841