@booklet {5679,
	title = {BALDWIN, O.D. and ADAMS, J.A.S. 1971. K40/Ar40 ages of the alkalic igneous rocks of the Balcones fault trend of Texas. Texas Journal of Science, 22: 223-31.},
	year = {1971},
	note = {BALDWIN, O.D. and ADAMS, J.A.S. 1971. K40/Ar40 ages of the alkalic igneous rocks of the Balcones fault trend of Texas. Texas Journal of Science, 22: 223-31.}
}
