000 00288nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aTENG. P.S
245 0 _aSystems approaches for agricultural deve
260 _cElsevier Applied Sci.
365 _b0
650 _aNIL
942 _cBK
999 _c101442
_d101442