E. Pollard, T.J. Yates

Chapman & Hall 1995, c1993 Conservation biology series no. 1

Available at 7 libraries

E. Pollard, T.J. Yates

in association with the Institute of Terrestrial Ecology (Natural Environment Research Council) and the Joint Nature Conservation Committee , Chapman & Hall 1993 Conservation biology series 1

: alk. paper

Available at 5 libraries

E. Pollard, M.D. Hooper & N.W. Moore

Collins 1974 New naturalist 58

Available at 2 libraries