== Literatur ==
:* Bandler, Richard / Grinder, JOhnJohn: ''The Structure of Magic Vol. 1+2''Science and Behaviour Books, Palo Alto, 1975
:* Chomsky, Noam: ''Aspects of the Theory of Syntax'', 1965, ISBN 0262530074
:* Chomsky, Noam: ''Syntactic Structures'', 1959