@book{4751,
	author = {Trask, Parker D. and Geological Society of America.},
	title = {Engineering geology case histories.},
	publisher = {Geological Society of America},
	year = {[1957-},
	address = {[Boulder, Colo., etc.]},
	note = {Editor: no. 1-<2> P.D. Trask.}
}