00303nam a2200097Ia 4500008004100000082001500041100003800056245005900094260004400153300000800197140113s9999    xx            000 0 und d  a631.4   K6  a"Tamhane, R.V. & Motiraman, D,P."  aSoils : Their chemistry and fertility in tropical Asia  a1966bPrentice Hall of IndiacNew Delhi  a475