000 00415nam a2200097Ia 4500
008 220216s9999 xx 000 0 und d
100 _aKrishnakumar A K
245 0 _aSoils under Hevea in India: A physical, chemical and mineralogical study with a reference to soil moisture cation influence on yield of Hevea brasiliensis
260 _bPh.D. Thesis. Indian Institute of Technology, Kharagpur, 1989
_c1989
942 _cJS
999 _c68871
_d68871