Allen, Donald S. Physical science, [electronic resource] / by Donald S. Allen and Richard J. Ordway.. — Princeton, N.J., : Van Nostrand, [1960]. — xi, 825 p. : illus. 24 cm. LCCN: 60011058 Nat. Bib. No.: GB60-9674 Subjects--Topical Terms: Science. LC Class. No.: Q161 / .A38 Dewey Class. No.: 500