Nielsen, Kaj Leo, 1914- Logarithmic and trigonometric tables, five places, with explanation of tables/ by Kaj L. Nielson. - New York: Barnes & Noble, [1943]. - 3 p. l., ix-xxx p., 2 l., 125 p.: 2 diagr., 21 cm. - College outline series. . LCCN: 43017134 Subjects--Topical Terms: Logarithms.Trigonometry---TablesMathematics--Tables. Dewey Class. No.: 510.9 / N669l