Here is the CMT Uptime check phrase
PUBLICATIONS

Questionnaire design: The rocky road from concepts to questions

Schwarz, Norbert. (1997). Questionnaire design: The rocky road from concepts to questions. In Lyberg, Lars, Biemer, P., Collins, M., de Leeuw, E. D., Dippo, C., Schwarz, Norbert, Terwin, D. (Ed.), Survey measurement and process quality. 29-45.