000 00327nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a620.09 M5474
100 _aMENON,R.V.G
245 0 _aHISTORY OF SCIENCE & TECHNOLOGY
260 _aTrivandrum
_bCOLLEGE BOOK HOUSE
_c1984
300 _aviii+163p., 22X14cms
942 _cBK
_2DDC
999 _c27485
_d27485