00646cam a22002417a 4500003000500000005001700005008004100022010001000063011001000073020001500083035001000098040000900108082002000117110000800137245009300145260002400238300002000262410000800282650005100290650002900341700002600370810000800396CHAP20220817043631.0000310d1995    it b    rn    00110 eng d  a80240  a81212  a9251036624  a91677  cCHAP04a631.4bF33 v.802 aFAO10aSoil survey : perspectives and strategies for the 21 st centuryc/ed. by J. Alfred Zinck  aRome :bFAO,c1995.  a128 p. :bmapas  aFAO14aProcesamiento automático de datos en suelos.14aSuelosxInvestigación.0 aZinck, J. Alfredeed.0 aFAO