L. Burchardt, S. Balcerkiewicz, M. Kokociński, S. Samardakiewicz, and Z. Adamski, “Occurrence of Haematococcus pluvialis Flotow emend. Wille in a small artificial pool on the university campus of the Collegium Biologicum in Poznań (Poland)”, biorc, no. 1-2, pp. 163–166, Jun. 2006.