000 00280nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aR C Aggarwal
245 0 _aRajnitishastra ke siddhant
250 _a5th
260 _aDelhi
_bS Chand
_c1971
650 _aPol Science
942 _cBK
999 _c911
_d911