The photo-choice method for recreation research
By: by Elwood L. Shafer, Jr. 
Series: U.S. Forest Service research paper NE-29
Publisher: Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1964
Place of publication: Upper Darby, Pa
Language: eng
Number of pages: 10
Subjects: Outdoor recreation -- Research.
Notes: Cover title.