Braak, C. J. F. ter. Unimodal models to relate species to environment / Cajo J.F. ter Braak. - Wageningen, the Netherlands : Agricultural Mathematics Group, �1987. - 152 pages : illustrations ; 24 cm Nat. Bib. Agency Control No.: CAT10695785 DNAL B8735520 bccb Subjects--Topical Terms: Ecology--Statistics. Index Terms--Genre/Form: Statistics. LC Class. No.: QH541.15.M3 / B72 1987 National Agricultural Library Call No.: DISS / F1987077