00304nam a2200097Ia 4500008004100000082002300041100003500064245006000099260003900159300000800198140113s9999    xx            000 0 und d  a631.45:631.82   K7  a"Pearson, R.W. & Adams, Fred."  aSoil acidity & liming (No.12 in the series of Agronomy)  a1967bA.S.A.c"Madison, Wisconsin"  a274