261688document90390Ito2020_Article_LotkaVolterraApproximationsFor.pdfapplication/pdf4f31d468d0ce802bcdccdc9dc17b5847MD512429832020-05-25 03:45:26https://pure.iiasa.ac.at/id/eprint/16483/1/Ito2020_Article_LotkaVolterraApproximationsFor.pdf