Encyclopedia of the biosphere: vol. 11: The biosphere concept and index /
project director Ramon Folch ; translated by Trevor Foskett.
- English-language ed. (vol. 11) ;
- Detroit, MI. : Gale Group, c2000.
- 399 p. : p., illus. (chiefly col.) ; 29 cm.
- Encyclopedia of the Biosphere, vol. 11. .