Ruijter, Jan M, et al. ‚ÄúCALIBRATION OF DENSITOMETRY IN RADIO-ISOTOPIC IN SITU HYBRIDIZATION‚ÄĚ. Image Analysis and Stereology, vol. 20, no. 3, May 2011, pp. 219-24, doi:10.5566/ias.v20.p219-224.