R. Perry

Shell Size and Population Density in Large Helicid Land Snails

W. Arthur, R. Perry, 1991 .

Factors affecting the microdistribution of Gammarus pulex (Amphipoda): an experimental study

P. Greenwood, J. Gee, Jonathan Adams, 1987 .

Environmental effects on adult shell size in Cepaea hortensis

W. Arthur, R. Perry, 1991 .

Warfare on the Pampas in the 1870s

R. Perry, 1972 .

Argentina and Chile: The Struggle for Patagonia 1843-1881

R. Perry, 1980, The Americas.

A Diffusion Model of Phyllotaxis

R. Perry, J. Chapman, 1987 .