TY  - BOOK
AU  - Curtis, Helena
AU  - Barnes, N. Sue
TI  - Invitation to biology
SN  - 0879016795
U1  - Q 574 CUR 
PY  - 1994///
CY  - New York
PB  - Worth Publishers
KW  - Biology
N1  - Includes bibliographical references and index
ER  -