doi:10.1021/ac00136a004. ISSN 0003-2700. Bergmann, Gerhard.; Von Oepen, Birgit.; Zinn, Peter. (15 October 1987). "Improvement in the definitions of sensitivity
Birgit Zotz (born 7 August 1979) is an Austrian writer, cultural anthropologist and an expert on the subject of hospitality management studies. Born in
191–192. Glassgold 2001, p. xxii. Avrich 1988, p. 203. Avrich 2006, p. 76. Zinn 2003, pp. 354–355. Avrich 2006, pp. 213–215. Avrich 2006, pp. 215–221. Avrich