TY  - RPRT
TI  - Planning and setting objectives in field studies: Chapter 2
AU  - Robert N. Fisher
PY  - 2016
DO  - 10.1093/acprof:oso/9780198726135.003.0002
UR  - https://pubs.usgs.gov/publication/70170883
ID  - 70170883
ER  -