000 00293nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.4:5(047)
_bREP
245 0 _aReport of Soviet soil scientists to VII international congress in U S A
260 _aUSA
_bSoviet Soil scientists
942 _cBK
999 _c21919
_d21919