Perry S. Barboza, University of Alaska, Fairbanks Inst. Arctic Biology, Fairbanks, AK, USA; Katherine L. Parker, University of Northern British Columbia, Prince George, BC, Canada; Ian D. Hume, Mosman / 2009-01-28 / Springer Berlin Heidelberg
Patricia Vit, Universidad de Los Andes, Merida, Venezuela; Silvia R.M. Pedro, Universidade de S鉶 Paulo, Ribeirao Preto, Brazil; David W. Roubik, Smithsonian Tropical Research Institute, Balboa, Panam