000 00403nam a2200133Ia 4500
008 220203s9999 xx 000 0 und d
100 _aToms Joseph
245 0 _aCommercial Yield Performance of Hevea Clones in India: A Comparative Analysis
260 _bRubber Research Institute of India
_aKottayam
_c1999
650 _aEconomics
700 _aP. K. Viswanathan
700 _aS. Lekshmi
942 _cPN
999 _c45047
_d45047