TY  - BOOK
AU  - Marsland,Douglas
TI  - Principles of modern biology: a complete reconstruction and modernization of Charles R. Plunkett's Elements of modern biology 
U1  - 570 23
PY  - 1951///
CY  - New York
PB  - Holt & Co.
KW  - Biology
N1  - Includes bibliographies and indexes
ER  -