@booklet {5761,
	title = {ZARTMAN, R.E. and MARVIN, R.F. 1971. Radiometric age (late Ordovician) of the Quincy, Cape Ann, and Peabody granites from eastern Massachusetts. Bulletin of the Geological Society of America, 82: 937-57},
	year = {1971},
	note = {ZARTMAN, R.E. and MARVIN, R.F. 1971. Radiometric age (late Ordovician) of the Quincy, Cape Ann, and Peabody granites from eastern Massachusetts. Bulletin of the Geological Society of America, 82: 937-57}
}
