TY  - BOOK
AU  - Johnson, Leland G
ED  - Johnson, Rebecca L. 
TI  - Essentials of biology
U1  - 574 
PY  - 0000///xxv,692p [unnumbered]: front, col., ill., tables;  23cm
CY  - Iowa
PB  - Wm.C.Brown )Publishers
ER  -