The Design Of The Kernel Architecture For The EUROTRA Software. - Rod L. Johnson; Mike Rosner (COLING, 1984)

EUROTRA: A Multilingual System under Development. - Rod L. Johnson; Margaret King; Louis des Tombe (Comput. Linguistics, 1985)

A rich environment for experimentation with unification grammars. - Rod L. Johnson; Mike Rosner (EACL, 1989)

On The Portability Of Complex Constraint-Based Grammars. - C. J. Rupp; Rod L. Johnson (COLING, 1994)