1993

Overmann, Jörg and Sandmann, Gerhard and Haller, Ken J. and Northcote, Tom G. (1993): Fossil carotenoids and paleolimnology of meromictic Mahoney Lake, British Columbia, Canada. In: Aquatic Sciences, Vol. 55, No. 1: pp. 31-39

1991

Overmann, Jörg and Beatty, J. T. and Hall, K. J. and Pfennig, Norbert and Northcote, Tom G. (1991): Characterization of a dense, purple sulfur bacterial layer in a meromictic salt lake. In: Limnology and Oceanography, Vol. 36: pp. 846-859