1. The order of word order change;Aitchison;Transactions of the Philological Society,1979
2. Word order universals: some refinements and clarifications;Campbell,1986
3. Aspects of the theory of syntax;Chomksy,1965
4. On generativity;Fillmore,1972
5. Some universals of grammar with particular reference to the order of meaningful elements;Greenberg,1966