Nielsen, Soren Nors A New Ecology system perspective/ Soren Nors Nielse,- Brian D. Fath - and others - second edition - united Kingdom Elsevier 2020 - 259 p: paper 26cm ISBN: 978-0-444-63757-4 Subjects--Topical Terms: EcologyHuman ecology Food webs Social aspects Dewey Class. No.: 301.31