000 00375nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
080 _a631.415.3.001.7
245 _aDiagnosis and improvement of saline and alkali soils
260 _aWashington
260 _c1954
300 _a160 p.
440 _aNo. 60; United States Departme
901 _pS20289
942 _cB
_2udc
999 _c119918
_d119918