000			00293nam a2200109Ia 4500
008			221219s9999 xx 000 0 und d
100			_aL.A. Richards
245		0	_aDiagnosis and improvement of saline and alkaline soils
260			_bscientific publisher
650			_aSoil science
942			_cBK
999			_c3339 _d3339