000 00334nam a2200145Ia 4500
008 131111s9999 xx 000 0 und d
100 _aWaddington. D.J
245 _aEducation, industry and technology
260 _aNew Delhi
260 _bICSU Press
260 _c1987
300 _a365p.
650 _aEducation
763 _a5705
999 _c44121
_d44121