00281nam a2200097Ia 4500008004100000082001800041100004100059245004100100260003400141300000800175140113s9999    xx            000 0 und d  a631.8:54   L5  a"Mariakulandai, A. & Manickam, T.S."  aChemistry of fertilizers and manures  a1975bAsia Pub. HousecBombay  a399