• River environment : a reference document, The 

        Contributor:Simons, Daryl B.; Lagasse, P. F.; Chen, Y. H.; Schumm, S. A.; U. S. Fish and Wildlife Service; Colorado State University. Department of Civil Engineering
        Date:1975-12
      • Summary of The river environment, A 

        Contributor:Simons, Daryl B.; Chen, Y. H.; Lagasse, P. F.; Schumm, S. A.; U. S. Fish and Wildlife Service; Colorado State University. Department of Civil Engineering
        Date:1976-06