00673nam a22002417a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001800102110001100120245009300131260002700224300002000251490002700271650002600298650002800324650002300352650002900375830002700404CHAP20220817042503.0971013s1961            r     00010     d  a46039  a47011  a51152  cCHAP  a631.4913bU54  aUNESCO  aTropical soils and vegetationb: proceedings of the Abidjan Symposium. Jointly organized  aParis :bUNESCO,c1961  a115 p.b: ilus.  aHumid Tropics Research14aBosquesxInfluencias.14aBotánicaxTrópicos.14aSuelos tropicales.14aSuelosxInvestigación.0 aHumid Tropics Research