Portuguese Water Resources Association, International Water Resources Association, United Nations, International Symposium on Water Resources Management in Industrial Areas (1981 : Lisbon, Portugal), Beard, L. R., & Maxwell, W. H. C. (1982). Water resources management in industrial areas: Selected papers from the international symposium held by the Internatinal Water Resources Association (IWRA), 7-11 September 1981, Lisbon, Portugal. Tycooly International Pub.
Tohutoru Kātū ChicagoPortuguese Water Resources Association, International Water Resources Association, United Nations, Portugal) International Symposium on Water Resources Management in Industrial Areas (1981 : Lisbon, Leo R. Beard, me W. H. C. Maxwell. Water Resources Management in Industrial Areas: Selected Papers from the International Symposium Held by the Internatinal Water Resources Association (IWRA), 7-11 September 1981, Lisbon, Portugal. Dublin: Tycooly International Pub, 1982.
Tohutoro MLAPortuguese Water Resources Association, et al. Water Resources Management in Industrial Areas: Selected Papers from the International Symposium Held by the Internatinal Water Resources Association (IWRA), 7-11 September 1981, Lisbon, Portugal. Tycooly International Pub, 1982.