Underwood, R. E. The elements of actuarial science / by R. E. Underwood - London : Sir I. Pitman & Sons, 1922 - viii, 139, [1] p. incl. ; 19 cm. - Pitman's insurance manuals . Subjects--Topical Terms: Insurance--MathematicsInsuranceRisk (Insurance)--Mathematical modelsInsurance--Statistical methods Dewey Class. No.: 368.01