Methodology in landscape ecological research and planning: J. Brandt and P. Agger (Editors). Vol. III, Methodology of Data Analysis; Proceedings of the first international seminar of the International Association of Landscape Ecology (IALE), organised at Roskilde University Centre, Roskilde, Denmark, 15–19 October 1984. IALE: S.M. ten Route de Lange, Research Institute for Nature Management, P.O. Box 46, 3956 ZR Leersum, The Netherlands. 1984, paperback, price per volume 40.00 D.kr., per set 140.00 D.kr., ISBN 87-88183-14-9