TY  - BOOK
AU  - Curtis, Helena.
AU  - Barnes, N. Sue.
TI  -  Invitation to biology
SN  - 0879012552
U1  - 570 23
PY  - 1985///
CY  - New York, N.Y.
PB  - Worth Publishers
KW  - Biology
N1  - Includes bibliographical references and index
ER  -