"rutledge, william . "
modern trigonometric: / william.. rutledge - 2 ed. - usa : prentice-hall 1961. - "xii, 242p.; 22 cm."
hard cover
514. rut
modern trigonometric: / william.. rutledge - 2 ed. - usa : prentice-hall 1961. - "xii, 242p.; 22 cm."
hard cover
514. rut