Causton, David R. An introduction to vegetation analysis : principles, practice, and interpretation / D.R. Causton. - London ; Boston : Unwin Hyman, c1988. - xvii, 342 p. : ill. ; Includes indexes. ISBN: 0045810249 (alk. paper) 0045810257 (pbk. : alk. paper) Subjects--Topical Terms: Plant ecology--Methodology.Plant communities--Research--Methodology.Vegetation surveys.Vegetation classification. LC Class. No.: QK901 / .C33 1988