TY  - BOOK
AU  - Lewin,Roger
ED  - Smithsonian Institution.
TI  - Thread of life: the Smithsonian looks at evolution 
SN  - 0895990105 :
AV  - QH366.2 .L48 
U1  - 575 19
PY  - 1982///
CY  - Washington, D.C., New York, N.Y.
PB  - Smithsonian Books, Distributed by Norton
KW  - Evolution (Biology)
N1  - One folded poster laid in; Includes index
ER  -