Khalil, M.A.K., (1968), "Variation in Scotch Pine", Minnesota Forestry Research Notes 191, School of Forestry, University of Minnesota
Minnesota Forestry Research Notes
Published as Scientific Journal Paper Series No. 6596 of the Minnesota Agricultural Experiment Station.
is made for the financial support of this research provided by the United States Agency
for International Development of the United States Department of State, the NC-51 Regional
funds of the United States Department of Agriculture and the School of Forestry, University
Khalil, Muhammad A.K..
Variation in Scotch Pine.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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