Patent DE1815352: FLOW-THROUGH CHAMBER FOR PHOTOMETERS TO MEASURE AND COUNT PARTICLES IN A DISPERSION MEDIUM. Angemeldet am 18. Dezember 1968, Erfinder: Wolfgang Dittrich, Wolfgang Göhde.
M. J. Fulwyler: Electronic separation of biological cells by volume. In: Science. Band 150, Nr. 3698, 1965, S. 910–911. PMID 5891056.
H. R. Hulett, W. A. Bonner, J. Barrett, L. A. Herzenberg: Cell sorting: automated separation of mammalian cells as a function of intracellular fluorescence. In: Science. Band 166, Nr. 3906, 1969, S. 747–749. PMID 4898615.