Brandt, L. A.*, and E. W. Koch. 2003. Periphyton as a UV-B filter on seagrass leaves: A result on different transmittance in the UV-B and PAR ranges. Aquatic Botany 76:317-327.
Brandt, L.*, and E. Koch. 2002. Epiphytic algae as UV-B filters on leaves of the seagrasses Zostera marina L.and Rupia maritime L.. ASLO Ocean Sciences Meeting, Honolulu, Hawaii.