000 00361 a2200121 4500
082 _a378.996
_bG798a
245 1 _aAUDIO-VISUAL AIDS IN HIGEHR SCIENTIFIC EDUCATION
260 _aLondon
_bHer Majesty'S Stationery Office
_c1965
300 _a153
650 _aTechnical Education -- Study And Teaching -- Audio-Visual Aids
964 _gCIRC
997 _a36705 C
999 _c454697
_d454697