000 00293nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aRAY (GL);CHATTERJEE (P)
245 0 _aTechnological Gap and Constraints in Agr
260 _cNaya Prakash
365 _b0
650 _aNIL
942 _cBK
999 _c102898
_d102898