E.C. Haines, 1964. An experimental variant of LIsP1.5, implemented on the sTRETCH computer. Basic structure was a trinary tree. ["The TREET Time-sharing system", H.A. Bayard et al, Proc 2nd symp symb and Alg Manip, ACM (Mar 1971)]. [sammet 1969, pp.457-461].

style="border-width:thin; border-color:#333333; border-style:dashed; padding:5px;" align="left">In addition suitable contents:
[ 2 ] [ = ] [ ACM ] [ ai ] [ al ] [ am ] [ an ] [ ar ] [ arc ] [ as ] [ B ] [ b ] [ C ] [ ch ] [ CM ] [ co ] [ com ] [ computer ] [ du ] [ E ] [ ed ] [ ee ] [ er ] [ es ] [ ET ] [ et ] [ ETC ] [ fi ] [ file ] [ h ] [ hr ] [ id ] [ il ] [ in ] [ Is ] [ IsP ] [ Lex ] [ LIs ] [ M ] [ mm ] [ mo ] [ mod ] [ module ] [ mp ] [ na ] [ ne ] [ ng ] [ ni ] [ om ] [ pe ] [ ph ] [ pl ] [ query ] [ rc ] [ RE ] [ re ] [ ro ] [ ru ] [ s ] [ se ] [ si ] [ sP ] [ st ] [ struct ] [ T ] [ th ] [ tr ] [ tree ] [ va ] [ var ]