00586cam a22002297a 4500003000500000005001700005008004100022010000900063011000900072035000900081040000900090082001600099100002100115245003800136260004500174300001900219490003200238500001000270650001600280650002800296830003200324CHAP20220329133018.0971013s1987            r     00010     d  a1268  a2240  a1433  cCHAP  a631.46bS6700aSprent, Janet I.14aThe ecology of the nitrogen cycle  aCambridge :bCambridge University,c1987  a151 p.b: ilus 0aCabridge studies in ecology  a41-3614aEcología.14aNitrógenoxCiclo del.0 aCabridge studies in ecology