This source of scientific information is the outcome of a workshop and compilation of various scientific sources of point count methods and literature. It is academic peer-reviewed research material, is a technical report compiled for the Forest Service, US Department of Agriculture.
Ralph, C. John; Sauer, John R.; Droege, Sam, technical editors. 1995. Monitoring Bird Populations by Point Counts. Gen. Tech. Rep. PSW-GTR-149. Albany, CA: Pacific Southwest Research Station, Forest Service, US. Department of Agriculture; 187 p.