B. Lombardo, D. Rubatto, and D. Castelli, “ION MICROPROBE U-PB DATING OF ZIRCON FROM A MONVISO METAPLAGIOGRANITE: IMPLICATIONS FOR THE EVOLUTION OF THE PIEDMONT-LIGURIA TETHYS IN THE WESTERN ALPS”, Ofioliti, vol. 27, no. 2, pp. 109-117, Jul. 2002.