Some Recent Products of River Recreation Research

Auteur : Barbara C. Weber, Dennis Leland Murphy, Gary J. Brand, Gerhard K. Raile, Howard N. Rosen, Keith E. Evans, L. F. Ohmann, Lynn L. Rogers, North Central Forest Experiment Station (Saint Paul, Minn.)

Date de publication : 1980

Éditeur : North Central Forest Experiment Station, Forest Service, U.S. Department of Agriculture

Nombre de pages : 20