TY  - RPRT
TI  - Specifications ... how much do we really know?
AU  - William A Hyman
DO  - 10.2345/0899-8205(2004)38[144:smdwrk]2.0.co;2
UR  - https://pubmed.ncbi.nlm.nih.gov/15106437/
ID  - 15106437
ER  -