000 00294nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aMahalanobis
245 0 _aApproach of operation of research planning in India
260 _bAsia pub
260 _c1965
365 _b12.00
942 _cBK
999 _c198712
_d198712