Cochran, Tim D. Derivatives of links : Milnor's concordance invariants and Massey's products by Tim D. Cochran. - Providence,Rhode Island. American Mathematical Society. c1990 - ix,73p. : ill. ; 24cm.- - Memoirs of the American mathematical soiciety ; no.427. . ISBN: 00659266. Subjects--Topical Terms: Link theory Massey products Cobordism theory Dewey Class. No.: 514.224 / COC