Roberto Ierusalimschy Luiz Henrique de Figueiredo Waldemar Celes Filho The Implementation of Lua 5.0. 1159-1176 2005 11 J. UCS 7 http://www.jucs.org/jucs_11_7/the_implementation_of_lua db/journals/jucs/jucs11.html#IerusalimschyFF05