Booth, B Peterogenetic significance of Alkali Feldspar Megacrysts and their i nclusions in Cornubian Granites - London: Wye College , 1968. - 5p. : tabs. - Reprint ; no.383 . Subjects--Topical Terms: Feldspar.-------- Dewey Class. No.: PS 630.7114223 W942 No.383