TY  - RPRT
TI  - National protocol framework for the inventory and monitoring of bees
AU  - Sam Droege
AU  - Joseph D. Engler
AU  - Elizabeth A. Sellers
AU  - Lee O’Brien
PY  - 2016
UR  - https://pubs.usgs.gov/publication/70176107
ID  - 70176107
ER  -