TY  - BOOK
AU  - Curtis Helena.
TI  - Invitation to Biology
SN  - 0879012552
AV  - QH308.2.C87 1985 7266
PY  - 1972///
CY  - New York
PB  - Worth Publishers, Inc.
KW  - Biology
N1  - Includes bibliographical references and index
ER  -