TY - Journal of Shandong University(Engineering Science) A1 - NIE Zhi-feng, ZHOU Shen-jie, WANG Kai, KONG Sheng-li T1 - C 1 natural element method for strain gradient elasticity Y1 - 2009-06-16 JF - Journal of Shandong University(Engineering Science) JO - Journal of Shandong University(Engineering Science) SP - 99 EP - 102 VL - 39 IS - 3 UR - http://gxbwk.njournal.sdu.edu.cn N1 - ER -