Li, Ping, Ning Liu, Aijun Liu, and Huangbin Deng. “Boronizing for Electro-Metallurgical Tungsten Carbide Steel Composite”. Asian Journal of Chemistry 26, no. 5 (March 4, 2014): 1431–1433. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_6_50.