000 00323nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a620
082 _bHIS
100 _a"Kuppuram, G"
245 0 _aHistory of Science and T
260 _aNew Delhi
260 _bSundeep Prakashan
260 _c1990
300 _axi-152
999 _c30189
_d30189