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The ex situ conservation of plant genetic resources
by J.G. Hawkes, N. Maxted and B.V. Ford-L...
Bok Engelsk 2000
Plant genetic conservation : the in situ approach
edited by N. Maxted, B.V. Ford-Lloyd, and...
Bok Engelsk 1997
Plant genetic resources of Ethiopia
edited by J. M. M. Engels, J. G. Hawkes, ...
Bok Engelsk 1991
The Potato : evolution, biodiversity and genetic resources
J.G. Hawkes
Bok Engelsk 1990
The potatoes of Bolivia : their breeding value and evolutionary relationships
Hawkes, J.G.
Bok Engelsk 1989
The history and social influence of the potato
Redcliffe N. Salaman ; with a chapter on ...
Bok Språk ikke angitt 1985
The diversity of crop plants
J.G. Hawkes
Bok Engelsk 1983
The biology and taxonomy of the Solanaceae
J. G. Hawkes, R. N. Lester and A. D. Skel...
Bok Engelsk 1979
Crop genetic resources for today and tomorrow
edited by O.H. Frankel and J.G. Hawkes
Bok Engelsk 1975
European and regional gene banks : proceedings of a Conference on European and Regional Gene Banks, Izmir, Turkey, 10-15 April, 1972
Conference on European and Regional Gene Banks
Bok Engelsk 1973
A computer-mapped flora : a study of the County of Warwickshire
by D. A. Cadbury, J. G. Hawkes and R. C. ...
Bok Engelsk 1971
Reproductive biology and taxonomy of vascular plants : the report of the Conference held by the Botanical Society of the British Isles, at Birmingham University in 1965
Reproductive biology and taxonomy of vascular plants (Konferanse)
Bok Engelsk 1966