@misc{ma_principle_of_2012, 
author={Ma, N.},
title={Principle of flow cytometry},
year={2012},
howpublished = {lecture: Universitaet Rostock, FB Biotechnology; 16.04.2012},
note = {Online available at: \url{} (DOI). Ma, N.: Principle of flow cytometry. Universitaet Rostock, FB Biotechnology, 2012.}}