Andreas Quatember,
"Estimating the Variance of the Forced Quantitative Randomized Response model by Gjestvang and Singh (2007)"
, Serie IFAS Research Paper Series, Vol. 60, IFAS Eigenverlag, Linz, 2012
Original Titel:
Estimating the Variance of the Forced Quantitative Randomized Response model by Gjestvang and Singh (2007)