English language
Published 1975 by Cambridge University Press.
Towards Bioregional Strategy for Human Cultures Environmental Conservation, #2
English language
Published 1975 by Cambridge University Press.
Purchasable
https://www.cambridge.org/core/journals/environmental-conservation/article/abs/bioregions-towards-bioregional-strategy-for-human-cultures/B85A50F189EDCDB2F80283055173A986#article
.