@phdthesis{instance947,
	 title = {{A Language Definition Method for Visual Specification Languages}},
	 author = {Yong Xia},
	 year = {2005},
	 school = {Universit{\"a}t Z{\"u}rich},
	 group = {rerg},
	 Date-Added = {2026-08-02 18:39:39},
	 Date-Modified = {2026-08-03 06:19:45}
}