\hspace{1.3cm}
\b{tabular}{|l@{\hspace{0.1cm}}c@{\hspace{0.1cm}}c@{\hspace{0.1cm}}c@{\hspace{0.1cm}}r|}
Language & {\footnotesize LP} & {\footnotesize OO} & {\footnotesize } & References \\
\leftcomment{\footnotesize LP + OO}
\hspace{-0.35cm} Logical Objects & & & - & [Co88] \\
SPOOL & & & - & [FH86] \\
Communicating Prolog Units & & & & [MN86] \\
\leftcomment{\footnotesize LP + }
\hspace{-0.35cm} Vulcan & & & & [KTMB86] \\
Polka & & & & [Da89] \\
Delta Prolog & & - & & [PN84] \\
\leftcomment{\footnotesize OO + }
\hspace{-0.35cm} MultiLog & & & & [Ka88] \\
Orient84/K & & & & [IT86] \\
\e{tabular}