181
by Rozenberg, Grzegorz Salomaa, Arto
Published 1980
Academic Press

182
by Prugovečki, Eduard
Published 1981
Academic Press

183
by Feintuch, Avraham Saeks, Richard
Published 1982
Academic Press

184
by Zhevlakov, Konstantin Aleksandrovich
Published 1982
Academic Press

185
by Tom, M E A
Published 1978
North-Holland Pub. Co Sole distributors for the U.S.A. and Canada, Elsevier North-Hollan