Methodology in landscape ecological research and planning: J. Brandt and P. Agger (Editors). Vol. V, Supplementary Volume. 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