TY  - BOOK
AU  - Bechtel, Robert B.
AU  - Marans, Robert W.
AU  - Michelson, William M.
TI  - Methods in environmental and behavioral research
PB  - Van Nostrand
PY  - 1987
EP  - vi, 415 p.
UR  - http://ci.nii.ac.jp/ncid/BA00977305
SN  - 0442211570
ER  -