Peter de Ridder Press , 1975
Buku Teks
edited by Maritta Heisel
Springer-Verlag, 2012
eBooks
edited by David Naccache
Springer-Verlag, 2012
eBooks
Departement of Language and Linguistics University of Essex , 1983
Buku Teks
edited by C.A. English ... [and others]
Institute of Physics, 1992
Buku Teks