@misc{toy,
author = {P.~Arenas and A.J.~Fern\'{a}ndez and A.~Gil and F.J.~L\'{o}pez-Fraguas and M.~Rodr\'{\i}guez-Artalejo and F.~S\'{a}enz-P\'{e}rez},
note = {R. Caballero and J. S\'{a}nchez (Eds.), Available at {\tt http://toy.sourceforge.net}},
title = {{TOY}, a Multiparadigm Declarative Language. Version 2.2.3},
projects = {MERIT,PROMESAS},
butype = {misc},
year = {2006}
}