TY  - BOOK
AU  - Johnson,Leland G.
AU  - Johnson,Rebecca L.
TI  - Essentials of biology
SN  - 0697001490
AV  - QH308.2 .J643 1986
U1  - 574 19
PY  - 1986///
CY  - Dubuque, Iowa
PB  - W.C. Brown Publishers
KW  - Biology
N1  - Includes bibliographies and index
ER  -