Isachsen, Y. W. Origin of anorthosite and related rocks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIsachsen, Yngvar W. Origin of Anorthosite and Related Rocks.
एमएलए (8वां संस्करण) प्रशस्ति पत्रIsachsen, Yngvar W. Origin of Anorthosite and Related Rocks.
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