C. Philipp

Influence of soil properties on the population and activity of geophagous earthworms after five years of bare fallow

K. Auerswald, S. Weigand, M. Kainz, 1996, Biology and Fertility of Soils.

Ecological studies of transition-zone vascular plants in South River, Maryland

Russell G. Brown, C. Philipp, 1965 .

Perceptions by Alabama Livestock Producers of Coyotes

J. Armstrong, C. Philipp, 1994 .