WWorld populationWorld populationde Michael PalmerEdiciones (1)World population (1973)Batsford · inglésMás obras de Michael PalmerOdyssey1983TThe conservation of farm ponds and ditchesThe conservation of farm ponds and ditchesOOdysseyOdyssey
A Botanical Classification of Standing Waters in Great Britain and a Method for the Use of Macrophyte Flora in Assessing Changes in Water Quality (Research and Survey into Nature Conservation)
