relation: https://pure.iiasa.ac.at/id/eprint/4326/ title: Darwin's "circles of complexity": Assembling ecological communities creator: Sigmund, K. publisher: Wiley-Blackwell date: 1995 type: Article type: PeerReviewed identifier: Sigmund, K. (1995). Darwin's "circles of complexity": Assembling ecological communities. Complexity 1 (1) 40-44. 10.1002/cplx.6130010109 . relation: 10.1002/cplx.6130010109 identifier: 10.1002/cplx.6130010109 doi: 10.1002/cplx.6130010109