Granada ; made with the co-operation of Anglesey Aluminum Metal Ltd., Aughinnish Alumina, British Rail ; University of Manchester Institute of Science and Technology, Department of Chemistry ; produced and directed by Jack Smith
produced by Coscient Inc., CSM Productions, [and] France 3, in collaboration with Radio-Québec and La Chaîne ; producers, Francois St-Laurent, Anne Évrard
produced in partnership by Wisconsin Dept. of Natural Resources Fisheries Management & Water Resources Mgmt. ; a video production of Wisconsin Dept. of Natural Resources Bureau of Information and Education