1. A.S.M.E. ( 1962 ).Surface texture( ASA B46.1 ), pp. 8 – 10 , 12 and 20 . New York , U.S.A.
2. A.S.T.E. ( 1949 ).Tool engineers' handbook. 1st edition, pp. 26 – 28 . Detroit , Michigan , U.S.A.
3. FEDERAL TEST METHOD STANDARD 791a, Method 6503, 1, July 27 , 1964 , available from General Services . Administration , Business Service Center , Washington 25 , D.C. , U.S.A.