TY  - BOOK
AU  - Smith, Ella Thea
AU  - Lawrence , Thomas Gordon
TI  - Exploring biology; the science of living things
U1  - 574 SME 
PY  - 1959///
CY  - N.Y.
PB  - Harcourt, 
KW  - Biology
N1  - Includes illus
ER  -