Gobets, B, Ericsson, M, Palsson, LO, Shubin, VV, Karapetyan, NV, VanGrondelle, R, Dekker, JP, "Site selected polarized fluorescence spectroscopy of photosystem Iparticles isolated from the cyanobacteria Spirulina platensis", Progress in Biophysics and Molecular Biology, 1996