Jarvis, S. C. Gaseous nitrogen emissions from grasslands /ed. by S. C. Jarvis and B. F. Pain - Wallingford, UK : CAB International, 1997. - 452 p. : ilus. ; gráfs. ; mapas ISBN: 0851991920 LCCN: 80676 Subjects--Topical Terms: Nitrógeno--Efecto en pastos.Pastizales. Dewey Class. No.: 633.2 / G4