TY  - BOOK
AU  - Allen,John M.
TI  - The nature of biological diversity
T2  - University of Michigan Institute of Science and Technology series
U1  - 571.6 23
PY  - 1963///
CY  - New York
PB  - McGraw-Hill
KW  - Cytology
KW  - Histochemistry
N1  - Includes bibliographical reference and index
ER  -