00879nam0-22003131i-450-990001463100403321200010100-521-32537-4000146310FED01000146310(Aleph)000146310FED0100014631020000920d1987----km-y0itay50------baengGBa---a---001yy<<The >>ecology of the nitrogen cycleJanet I. SprentCambridgeCambridge University Press1987viii, 151 p.ill.25 cmCambridge studies in ecologyEcologiaCiclo dell'azotoSprent,Janet I.64575ITUNINARICAUNIMARCBK9900014631004033216 III 55629DBVDBVEcology of the nitrogen cycle379257UNINA