Nielsen, V. C. Volatile emissions from livestock farming and sewage operations : proceedings - London : Elsevier, 1988 - 245 p. : ilus 40-218 LCCN: 1219 Subjects--Topical Terms: Amoniaco.Biogas.Ingeniería sanitaria.Resíduos líquidos. Dewey Class. No.: 628.74 / N5