Forestry in Namibia 1850-1990
1992
Erkkilä, Antti |
Siiskonen, Harri |
Forestry
Field trials 1987 - 1989
1989
Bowen, M. Roderick |
Jama, A. I. |
Jama, A. M. |
Hussein, I. A. |
Glossary of land resources : English, French, Italian, Dutch, German, Swedish
1984
Logie, Gordon |
Amazon Jungle: green hell to red desert : an ecological discussion of the environmental impact of the highway construction programme in the Amazon Basin
1975
Goodland, Robert J. A. |
Irwin, H. S. |
Forestry in Namibia 1850-1990
1992
Erkkilä, Antti |
Siiskonen, Harri |
Shoot growth and flower development in tropical pines : studies on genetic and environmental variation
1990
Sirikul, Winai |
Forestry in irrigation schemes. II. Research activities at Bura, Kenya 1988-89
1990
Johansson, Stig |
Kaarakka, Vesa |
Luukkanen, Olavi |
Forestry in irrigation schemes. I. Research activities at Bura, Kenya 1984-87
1990
Johansson, Stig |
Kaarakka, Vesa |
Luukkanen, Olavi |