@article{foster68-sid,
	title       = {A syntax improving program},
	author      = {Foster, J Michael},
	journal     = {The Computer Journal},
	volume      = {11},
	number      = {1},
	pages       = {31--34},
	year        = {1968},
	publisher   = {British Computer Society},
	note        = {First received {Sept}. 1967},
	doi         = {10.1093/comjnl/11.1.31},
	file        = {Foster68-sid.pdf},
}