@phdthesis{atkins89-techniques,
	author       = {Atkins, Martin C},
	title        = {Implementation techniques for object-oriented systems},
	series       = {YCST 90/01},
	school       = {Department of Computer Science},
	publisher    = {University of York},
	month        = {6},
	year         = {1992},
	% TODO: no local copy
}