6 treff
Forest policy : a contribution to resource development
edited by F. C. Hummel
Bok Engelsk 1984
Code of sample plot procedure
by F.C. Hummel ... [et al.]
Bok Engelsk 1959
Tariff tables for conifers in Great Britain
Hummel, F. C.
Bok Engelsk 1956
Revised yield tables for conifers in Great Britain
Hummel, F. C.
Bok Engelsk 1953
General volume tables for Douglas fir in Great Britain
Hummel, F. C.
Bok Engelsk 1951
General volume table for oak in Great Britain
Hummel, F. C.
Bok Engelsk 1950