TY  - RPRT
TI  - Psychometric techniques in environmental research.
AU  - J A Valciukas
AU  - R Lilis
PY  - 1980
DO  - 10.1016/0013-9351(80)90029-8
UR  - https://pubmed.ncbi.nlm.nih.gov/7408799/
ID  - 7408799
ER  -