TY  - BOOK
AU  - Burt,William Henry
AU  - Grossenheider,Richard Philip
TI  - A field guide to the mammals: field marks of all North American species found north of Mexico 
SN  - 0395240824
PY  - 1976///
CY  - Boston
PB  - Houghton Mifflin
KW  - Mammals
KW  - North America
KW  - Identification
N1  - Includes index; Bibliography: p. 271-276
ER  -