Non-photochemical quenching of chlorophyll a fluorescence: Early history and characterization of two xanthophyll-cycle mutants of Chlamydomonas reinhardtii Govindjee; Seufferheld, M., J. Functional Plant Biology 29(10): 1141-1155 2002 https://eurekamag.com/research/011/065/011065526.php