000 00284nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aRAY (G L) etc.
245 0 _aTechnological gap and constraints in agr
260 _cNaya Prakash
365 _b0
650 _aNIL
942 _cBK
999 _c105836
_d105836