1. Prescribed burning as a conservation management practice: a case history from the Cederberg Mountains, Cape Province, South Africa;Brown;Biol. Conserv.,1991
2. Population biology and the conservation of rare species;Harvey,1985
3. The efficacy of microclimate shelters in improving seedling survival in re-establishment of the Clanwilliam cedar;Higgins;S. Afr. For. J.,1989
4. Observations on the distribution and rate of growth of Clanwilliam cedar Widdringtonia juniperoides Endl. (now cedarbergensis);Hubbard;S. Afr. J. Sci.,1937
5. Generalised linear models;McCullagh,1983