@booklet {5301,
	title = {WALKER, G.P.L., WRIGHT, J.V., CLOUGH, B.J. and BOOTH, B. 1981. Pyroclastic geology of the rhyolitic volcano of La Primavera, Mexico. Geologische Rundschau, 70: 1100-18},
	year = {1981},
	note = {WALKER, G.P.L., WRIGHT, J.V., CLOUGH, B.J. and BOOTH, B. 1981. Pyroclastic geology of the rhyolitic volcano of La Primavera, Mexico. Geologische Rundschau, 70: 1100-18}
}
