TI  - LIFE AT THE EDGE: READINGS FROM SCIENTIFIC AMERCAN MAGAZINE
SN  - 0716720116
U1  - 574/GOU 
PY  - 1989///
CY  - NEW YORK
PB  - W. H. FREEMAN AND COMPANY
KW  - SCIENCE
KW  - SCIENTIFIC AMERICAN MAGAZINE ARTICLES
N1  - EACH CHAPTER BY DIFFERENT AUTHOR. EDITED BY JAMES L. GOULD AND CAROL GRANT GOULD
ER  -