Allen, John, 1929- Biosphere 2 : the human experiment / [electronic resource] John Allen ; edited by Anthony Blake. - New York : Penguin Books, 1991. - 156 p. : col. ill. ; 29 cm. ISBN: 0140153926 9780140153927 Subjects--Corporate Names: Biosphere 2 (Project) Subjects--Topical Terms: Ecology--Research. LC Class. No.: QH541.2 / .A43 1991b Dewey Class. No.: 304.2 / Alle 574.5091