Etherington, John R. Plant physiological ecology / by John R. Etherington. - London : Edward Arnold, 1978. - iv, 68 pages : illustrations ; 22 cm. - The institute of biology's sdudies in biology ; no. 98 . References .: p.66-68 ISBN: 0713126892 Subjects--Topical Terms: Botany--Ecology.Plants--Physiology.