000 00257nam a2200109Ia 4500
942 _cBK
654 _a
245 _aPopular Science in mass media
260 _aNew Delhi
_bAllied Publishers
_c1985
082 _a507:384
300 _bHb
_c21.5cm
_aviii, (2), 158
999 _c421775
_d421775
041 _aeng