000 00318nam a2200121Ia 4500
008 170101s1978 xx 000 0 und d
082 _a500 E90
245 0 _aEveryda y science.
260 _aChandigarh
_bNorthern India Science Associatior Quaiterly.
_c1978
650 _aSCIENCE
653 _aSCIENCE
942 _2ddc
_cB
999 _c60679
_d60679