Das, Nirmalendu Complete unified theory / Nirmalendu Das. - Guwahati : Bani Prokash Pvt. Ltd., 1998. - 424 p. ; 23 cm. Includes bibliographical references. ISBN: 8176430005 9788176430005 Subjects--Topical Terms: Unified field theories Dewey Class. No.: 530.142 / DAS