1. Mapping and Modeling the Biogeochemical Cycling of Turf Grasses in the United States
2. The Role of Turfgrasses in Environmental Protection and Their Benefits to Humans
3. K. Danneberger China offers great growth for turfgrass industry .Turfgrass Trends,October1,2001 , http://www.turfgrasstrends.com/turfgrasstrends/article/articleDetail.jsp?id=13081