000 00437nam a2200145Ia 4500
008 140712s9999 xx 000 0 und d
041 _aENG
080 _a631.4
_bF7
245 _aProceedings and papers first international congress of soil science
260 _c1928
_aWashington
_bAmerican Organizing Committee
300 _a521
650 _aSoil SciencesSoil Mechanics
710 _aAmerican Organizing Committee
942 _2UDC
_cBK
999 _c6292
_d6292