J300黏度標準. [2021-02-09]. (原始内容存档于2021-02-10). ASTM D445 - 19a Standard TestMethod for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation
ISBN 9787302095989. Standard TestMethod for Portable Hardness Testing Hardness by the Ultrasonic Contact Impedance Method. ASTM International. [2015-07-30]