000 00298nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aSadasivam S & Manickam A
245 0 _aBiochemical Methods
260 _bTNAU
260 _c1992
365 _b0.00
650 _aSoil science
942 _cBK
999 _c243368
_d243368