Describes the earth biosphere as a closed ecological system and tells how humans are developing small-scale biospheres to allow them to live in space.
- ISBN10 0894901885
- ISBN13 9780894901881
- Publish Date 1 January 1989
- Publish Status Out of Print
- Out of Print 13 June 1995
- Publish Country US
- Imprint Enslow Publishers
- Format Hardcover
- Pages 64
- Language English