Stearns, Forest. The urban ecosystem : A holistic approach / by Forest Stearns and Tom Montag - USA: Dowden, Hutchinson & Ross Inc., 1974. - xv, 217p. - Community development series . ISBN: 0470820799 Subjects--Topical Terms: EcosystemEvaluation of developmentSociologyUrban system Dewey Class. No.: 301.36 / STE/T