Búsqueda: autoria:"Ellefson, P.V."
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Risbrudt, C.D. ; Ellefson, P.V. An economic evaluation of the 1979 forestry incentives program Minnesota: University of Minnesota, 1983. 55p. Station Bulletin
Biblioteca(s): INIA La Estanzuela.

Baughman, M.J. ; Ellefson, P.V. Minnesota's county forests : a Delphi study of options for program funding, sale of timber and land ownership Minnesota: Minnesota State University, 1978. 44p. Station Bulletin
Biblioteca(s): INIA La Estanzuela.

LEWIS, B.J.; ELLEFSON, P.V. Information for timber management and planning : an assessment of availability and adequacy in Minnesota. Minnesota: University of Minnesota, 1983. 139 p. (Station Bulletin; 547)
Biblioteca(s): INIA Tacuarembó.

HENLY, R.K.; ELLEFSON, P.V. State Forest practice regulation in the U.S. : administration, cost, and accomplishments. Minnesota: University of Minnesota, 1986. 154 p. (Station Bulletin (A.E.S.); 3011)
Biblioteca(s): INIA Tacuarembó.

Gray, G.J.; Ellefson, P.V. Statewide forest resouce planning programs : an administration and effectiveness St Paul, Minnesota: University of Minnesota, 1987. 149 p. Station Bulletin
Biblioteca(s): INIA Tacuarembó.

Ellefson, P.V.; O'Laughlin, J.; Skok, R.A. Minnesota timber policy options : a classification of alternatives contained in the legislative commission on Minnesota Resources timber development study Minnesota: University of Minnesota, 1981. 47p. Station Bulletin
Biblioteca(s): INIA La Estanzuela.

Risbrudt, C.D. ; Goforth, M.H. ; Wheatcraft, A. ; Ellefson, P.V. Forestry incentives program investments in 1974 : retention rates through 1981 Minnesota: University of Minnesota, 1983. 32p. Station Bulletin
Biblioteca(s): INIA La Estanzuela.