000 00271nam a2200109Ia 4500
008 191024s9999||||xx |||||||||||||| ||und||
100 _aShyam Singh Sasi
245 0 _aAjke Asthra Sasthra
260 _bPraveen Prakashan
_aNew Delhi
_c1975
650 _aScience
942 _cBK
999 _c54816
_d54816