@article {3985,
	title = {From Data Representation to Data Model: Meta-Semantic Issues in The Evolution of SGML},
	journal = {Computer Standards \& Interfaces},
	volume = {18},
	year = {1996},
	pages = {25--36},
	doi = {10.1016/0920-5489(96)00033-5},
	author = {Darrell R. Raymond and Frank Tompa and Derick Wood}
}
