By Gregersen H. M.   in Journal of Forestry

ISSN:0022-1201|73|9|570-572

Society of American Foresters‎(1975)‎

Access to resources Favorite 3.55784

By Laarman J.G.   Gregersen H.M.   in Tourism Management

ISSN:0261-5177|17|4|247-254

Elsevier‎(1996)‎

Access to resources Favorite 2.66838

By Gregersen H. M.   Holland I. L.   in Journal of Forestry

ISSN:0022-1201|65|3|180-185

Society of American Foresters‎(1967)‎

Access to resources Favorite 2.66838

Integrated Watershed Management‎

By Gregersen   H.M.; Ffolliott   P.F.; Brooks   K.N.  

ISBN:9781845934217

CABI Publishing‎(2007)‎

Access to resources Favorite 2.22365