TY  - RPRT
TI  - Testing questionnaires with cognitive methods: Part 2, Thinkalouds.
AU  - Siegfried Geyer
PY  - 2003
DO  - 10.1007/s00038-003-3065-8
UR  - https://pubmed.ncbi.nlm.nih.gov/14758750/
ID  - 14758750
ER  -