Title: Effect of changes in certain determinants of ground upon the perception of Beta motion
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF022282653&ix=pm&I=0&V=D&pm=1" rel="nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF022282653&ix=pm&I=0&V=D&pm=1</a>
Subjects: Movement, Psychology of, Perception, Motion.