2010-07-29 VARIATION IN LAND-SNAIL SHELL FORM AND SIZE AND ITS CAUSES:A REVIEW Authors: GLENN A.GOODFRIEND Year: 1986 Journal: Systematic Zoology 35(2)204-223 紹介者: 葛西 直子(地理生態学研究室修士2年) keyward:Snail;gastropod;shell;form;shape;size;denticles;variation