TY  - BOOK
AU  - Avila,Vernon L.
TI  - Biology: investigating life on earth 
SN  - 0867209429
AV  - QH308.2 .A955 1995
U1  - 574 20
PY  - 1995///
CY  - Boston, Jamul, Calif.
PB  - Jones and Bartlett, Bookmark
KW  - Biology
N1  - Includes bibliographical references (p. 937-941) and index
ER  -