The vegetation of Ruaha National Park, Tanzania : I. annoted check-list of the plant species
1976
Bjornstad, Anders |
Protected areas
An economic evaluation of national parks
1981
Ulph, A. M. |
Reynolds, I. K. |
Towards a better understanding of human/environment relationships in canadian national parks
1993
Nepstad, Elaine |
Nilsen, Per |
Preliminary bibliography for national parks and reserves
1970
Kelly, Diane |
National parks and equivalent reserves in Australia guide to legislation, administration and areas
1968
Mosley, J. G. |
Vegetation of the Ainslie - Majura reserve
1974
Ingwersen, F. |
Evans, O. |
Griffiths, B. |
A flora of Lassen volcanic national park, California
1961
Gillett, George W. |
Howell, John Thomas |
Leschke, Hans |