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	key = "Choffrut 1992",
	author = "C. Choffrut",
	title = "Iterated substitutions and locally
catenative systems:  a decidability result in the binary case",
	booktitle = "Lindenmayer Systems:  Impacts on Theoretical Computer
Science, Computer Graphics, and Developmental Biology",
	editor = "G. Rozenberg and A. Salomaa",
	publisher = SV,
	year = 1992,
	pages = "49-92"}

@article{Rozenberg&Lindenmayer:1973,
	key = "Rozenberg and Lindenmayer 1973",
	author = "G. Rozenberg and A. Lindenmayer",
	title = "Developmental systems with locally catenative
formula",
	journal = AI,
	volume = 2,
	year = 1973,
	pages = "214-248"}

@article{Kobuchi:1977,
	key = "Kobuchi 1977",
	author = "Y. Kobuchi",
	title = "Two characterization theorems of locally catenative
developmental systems",
	journal = IPL,
	volume = 6,
	year = 1977,
	pages = "120-124"}

@article{Kobuchi&Wood:1981,
	key = "Kobuchi and Wood 1981",
	author = "Y. Kobuchi and D. Wood",
	title = "On the complete simulation of {D0L} schemes and
locally catenative schemes",
	journal = IC,
	volume = 49,
	year = 1981,
	pages = "64-80"}

@article{Seki&Kobuchi:1991,
	key = "Seki and Kobuchi 1991",
	author = "S. Seki and Y. Kobuchi",
	title = "On standard locally catenative {L} schemes",
	journal = TCS, 
	volume = 83,
	year = 1991,
	pages = "237-248"}

@article{Lambert:1992,
	key = "Lambert 1992",
	author = "J.-L. Lambert",
	title = "The local catenativity of {D0L}-sequences in
free commutative monoids is decidable in the binary case",
	journal = RAIRO,
	volume = 26,
	year = 1992,
	pages = "425-438"}