WEBB, D.A. Saxifrages of Europe : with notes on African, American and some Asiatic Species / D.A. Webb and R.J. Gornall. -- London : Helm, cop. 1989 - 307 p. ISBN 0-7470-3407-9 Subjects--Topical Terms: EuropaSaxifragáceas Universal Decimal Class. No.: 582.717(4)