M, M., M. A.K, M. M, M. B, and H. Z. “Changes of Fe Matrix’s Lattice Constant During Liquid Phase Sintering of Fe-Cu-C Compacts by X-Ray Diffraction Techniques”. Malaysian Journal of Science, vol. 21, Dec. 2002, pp. 59-64, http://mojes.um.edu.my/index.php/MJS/article/view/8860.