TY  - BOOK
AU  - Gertsch,Willis J.
TI  - American spiders
SN  - 0442226497
PY  - 1979///
CY  - New York
PB  - Van Nostrand Reinhold Co
KW  - Spiders
KW  - North America
KW  - Arachnida
N1  - Includes index; Bibliography: p. 259-260
ER  -