TY  - BOOK
AU  - Williams,Paul H.
TI  - Bumble bees of North America: an identification guide 
AV  - QL568.A6 .W555 2014
U1  - 595.799 23
PY  - 2014///
CY  - Princeton, New Jersey, Oxfordshire, England
PB  - Princeton University Press
KW  - Bumblebees
KW  - Control
KW  - North America
KW  - Conservation
KW  - Electronic books
N1  - Includes index
UR  - http://ebookcentral.proquest.com/lib/aitie/detail.action?docID=1604276
ER  -