TY  - BOOK
AU  - Steward,F.C.
TI  - Plants at work: a summary of plant physiology 
T2  - Addison-Wesley series in the principles of biology
PY  - 1964///]
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - Plant physiology
N1  - Includes bibliographical references
ER  -