A new dawn for soil biology: video analysis of root-soil-microbial-faunal interactions. Agriculture, Ecosystems and Environment. 34:235-249.. 1991.
Soil invertebrates are concentrated on roots. The Rhizosphere and Plant Growth. :111.. 1991.
The University of Michigan soil biotron: a platform for soil biology research in a natural forest. Plant Root Growth: An Ecological Perspective. :61-68.. 1991.
The use of a soil biotron to quantify the flow of carbon to plant root systems in forest soils. Root Ecology and its Practical Application: proceedings of the Symposium of the International Society of Root Research 3. A-9020:731-734.. 1992.
The use of mini-rhizotrons and micro-rhizotrons to quantify root turnover. Root Ecology and its Practical Application: proceedings of the Symposium of the International Society of Root Research 3. A-9020:731-734.. 1992.
The demography of fine roots in response to patches of water and nitrogen. New Phytologist. 125:575-580.. 1993.
Elevated atmospheric CO2 and feedback between carbon and nitrogen cycles. Plant and Soil. 151:105-117.. 1993.
Observing soil biota in situ. Geoderma. 56:25-36.. 1993.
Seasonal change in phosphorus content of Pinus strobus--Cenococcum geophilum ectomycorrhizae. Mycologia. 91(5):742-746.. 1999.