000 00306nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aPalaniappan (SP) and Sivaraman (K)
245 0 _aCropping systems in the tropics
260 _bNewage international
260 _c1996
365 _b75
942 _cBK
999 _c223079
_d223079