000 00267nam a2200121Ia 4500
100 _aLagu,R .G Ed
942 _cBK
245 _aHow and Why in Science Jr,series- I
260 _aOxFord
_bOxford Uhi
_c1978
082 _aJ500
_bLag
300 _a32
546 _aEnglish
999 _c333095
_d333095
041 _aeng