Blalock, Hubert M. Theory construction : from verbal to mathematical formulations / Hubert M. Blalock - Englewood Cliffs : Prentice-Hall , 1969 - xi, 180p. : ill. ; 22 cm. - Prentice-Hall methods of social science series . Includes bibliographical references and index. Subjects--Topical Terms: MathematicsTheory Dewey Class. No.: 330.18 / BLA-2