00473nam a2200193Ia 4500008004100000040000600041041001200047082000800059082001100067100001000078245004500088245001000133260001200143260002200155260000900177300005500186300001000241501002800251141004s9999    xx            000 0 und d  ca  aEnglish  aFAO  bFAO/NI  a  FAO  aNitrogen fixing trees - A training guide  c  FAO  aBangkok  bRAPA Publications  c1987  a170 p.                                              b27 cm  aKAUCOF