000 00315nam a2200121Ia 4500
008 161002s9999 xx 000 0 und d
100 _aPurushothaman S.
245 0 _aStudies on rice-based multiple ccropping systems
563 _aHOT COPY
652 _aNIL
700 _f1979
_aDr. S.P.Palaniappan
942 _cTH
999 _c111575
_d111575