Severn-Trent Water Authority. Directorate of Scientific Services. (1980). An ecological study of the Afon Dulas with special reference to the effects of the drought of 1976. Severn-Trent Water Authority.
Chicago Edition CitationSevern-Trent Water Authority. Directorate of Scientific Services. An Ecological Study of the Afon Dulas with Special Reference to the Effects of the Drought of 1976. Severn-Trent Water Authority, 1980.
MLA Edition CitationSevern-Trent Water Authority. Directorate of Scientific Services. An Ecological Study of the Afon Dulas with Special Reference to the Effects of the Drought of 1976. Severn-Trent Water Authority, 1980.
Warning: These citations may not always be 100% accurate.