000 00268nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.4(540)
_bPRE
245 0 _aBenchmark soils of Kerala
260 _aThiruvananthapuram
_bSoil Survey Organisation
_c2007
942 _cBK
999 _c44570
_d44570