@misc{indiciae820854b9d20a, title = {Pb and O isotopic constraints on the source of granitic rocks from Cape Breton Island, Nova Scotia, Canada}, author = {Robert A. Ayuso and S. M. Barr and Frederick J. Longstaffe}, year = {1996}, doi = {10.2475/ajs.296.7.789}, url = {https://pubs.usgs.gov/publication/70019050}, note = {Source identifier: 70019050} }