Lock, M. A, T. E Ford, M. AJ Hullar, M. J Kaufman, J. R Vestal, G. S Volk, and R. M Ventullo. “Phosphorus Limitation In An Arctic River Biofilm- A Whole Ecosystem Experiment”. Water Research 24, no. 12. Water Research (1990): 1545-1549. doi:10.1016/0043-1354(90)90089-O.

Lock, M. A, T. E Ford, D. M Fiebig, M. C Miller, M. AJ Hullar, M. J Kaufman, Bruce J Peterson, and John E Hobbie. “A Biogeochemical Survey Of Rivers And Streams In The Mountains And Foot-Hills Province Of Arctic Alaska”. Archiv Fur Hydrobiologie Beiheft 115. Archiv Fur Hydrobiologie Beiheft (1989): 499-521.

Ford, T. E, M. Walch, Ralph Mitchell, M. J Kaufman, J. R Vestal, S. A Ditner, and M. A Lock. “Microbial Film Formation On Metals In An Enriched Arctic River”. Biofouling 1. Biofouling (1989): 301-311. doi:10.1080/08927018909378118.

Hullar, M. AJ, M. J Kaufman, and J. R Vestal. “The Effects Of Nutrient Enrichment On The Distribution Of Microbial Heterotrophic Activity In Arctic Lakes”. International Society For Microbial Ecology Journal. International Society For Microbial Ecology Journal, 1986.