000 00294nam a2200121Ia 4500
008 191024s9999||||xx |||||||||||||| ||und||
020 _a9.7881267069e+012
100 _aGunakar Mule
245 0 _aSauramandal
260 _bRajkamal Prakashan
_aNew Delhi
_c1989
650 _aScience
942 _cBK
999 _c54733
_d54733