@booklet {5516,
	title = {NAESER, C.W. 1971. Geochronology of the Navajo-Hopi diatremes, Four Corners area. Journal of Geophysical Research, 76: 4978-85.},
	year = {1971},
	note = {NAESER, C.W. 1971. Geochronology of the Navajo-Hopi diatremes, Four Corners area. Journal of Geophysical Research, 76: 4978-85.}
}
