000			00657nam a2200157Ia 4500
008			160601s9999 xx 000 0 und d
020			_a30273003003
100			_aBrunstrom, C, ed. _921698
100			_aMann, A P, ed. _921699
245			_aAspects of educational technology
260			_aLondon
260			_bSir Isaac Pitman and sons limited
260			_c1972
300			_a7v.(1300 p.); 23cm. :
500			_aV.3 aspects of educational technology/edited by A P Mann and C P Brunstrom- V.5 aspects of educational technology/edited by Derek Packham, Alan Cleary and Terry Mayes- V.6 aspects of educational technology/edited by K Austwick and N D C Harris g
999			_c7122 _d7122