格拉瑟. (2014). 摩擦材料的表征: Characterization of tribological materials. 哈尔滨工业大学出版社.
Lua i Stíl Chicago (17ú heag.)格拉瑟. 摩擦材料的表征: Characterization of Tribological Materials. 哈尔滨工业大学出版社, 2014.
Lua MLA (8ú heag.)格拉瑟. 摩擦材料的表征: Characterization of Tribological Materials. 哈尔滨工业大学出版社, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.