EhrenfeldD. W.1976: The conservation of non-resources. American Scientist64, 648–56.
2.
FrankelO. H.HawkesJ. G., editors, 1975: Crop genetic resources for today and tomorrow. IBP Studies no. 2. Cambridge: Cambridge University Press.
3.
FranklinJ. F.1977: The biosphere reserve program in the United States. Science195, 262–7.
4.
HelliwellD. R.1973: Priorities and values in nature conservation. Journal of Environmental Management1, 85–127.
5.
HelliwellD. R.1975: The concept of ‘waste’ and the conservation of nature. Environmental Conservation2, 271–3.
6.
HelliwellD. R.1976: The extent and location of nature conservation areas. Environmental Conservation8, 255–8.
7.
HillA. R.1975: Ecosystem stability in relation to stress caused by human activities. Canadian Geographer19, 206–19.
8.
JohnsonW. C.OlsonJ. S.ReichleD. E.1977: Management of experimental reserves and their relation to conservation reserves: The reserve clusters. Nature and Resources13, 8–14.
9.
MyersN.1976: An expanded approach to the problems of disappearing species. Science193, 198–202.
10.
National Academy of Sciences [of the USA]1975: Underexploited tropical plants with promising economic value.Washington, DC: NAS.
11.
OdumE. P.1969The strategy of ecosystem development. Science164, 262–70.
12.
OdumE. P.1970: Optimum population and environment: A Georgian microcosm. Current History58, 355–9.
13.
OdumE. P.OdumH. T.1972: Natural areas as necessary components of man's total environment. Transactions of the 37th North American Wildlife Conference, 178–89.
14.
OdumH. T.KempW.SellM.BoyntonW.LehmanM.1977: Energy analysis and the coupling of man and estuaries. Environmental Management1, 297–315.
15.
RatcliffeD., editor, 1977a: A nature conservation review.Cambridge: Cambridge University Press, 2 volumes.
16.
RatcliffeD., editor, 1977b: Nature conservation: Aims, methods and achievements, In ClaphamA.R., editor, Scientific aspects of nature conservation in Great Britain, London: The Royal Society, 11–29.
17.
SimberloffD. S.AbeleL. G.1976: Island biogeography theory and conservation practice. Science191, 285–6.
18.
TerborghJ.1974: Preservation of natural diversity: The problem of extinction prone species. BioScience24, 715–22.
19.
TerborghJ.1975: Faunal equilibria and the design of wildlife preserves. In GolleyF. L.MedinaE., editors, Tropical ecological systems. Trends in terrestrial and aquatic research, Ecological Studies11, New York, Heidelberg and Berlin: Springer Verlag, 369–80.
20.
WestmanW. E.1977: How much are nature's services worth?Science197, 960–4.
21.
WilsonE. O.WillisE. O.1975: Applied biogeography. In CodyM.L.DiamondJ.M., editors, Ecology and evolution of communities.Cambridge, Massachusetts: Belknap Press, 522–34.