Prof. G. Willems, M. Abecassis, M. M. Catena, R. de Paete , Lasson, K. F. Valken, H. Vandervelden – Inland & Maritime Waterways & Ports / Design – Construction – Operation – Section I I- Volume I/V – Permanent International Association of Navigation Congresses 1981 / Pergamon Press – Oxford / New York / Toronto / Sydney / Paris / Frankfurt – 1981. Desc. 969 pág / 30,5 cm x 20,5 cm / E. Ilust.