Rail-highway crossing safety fatal crash and demographic descriptors.

National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.

Time-dependent descriptors for the Poisson queue.

Bibliography: p. 67-68.

Goal descriptors for global studies : a guide to asking questions about learning global facts and concepts in Wisconsin schools, K-12 /

WI docs. no.: Ed.6/2:D 48/G 5

National criminal justice thesaurus /

Description based on: 1980 ed.