written by M. C. Barnes [and others]
Allen & Unwin, 1970
Buku Teks
Waldman, Don E., author
Pearson, 2007
Buku Teks
Fraser-Reid, Bert, author
Springer, 2012
eBooks
Lone Dirckinck-Holmfeld
Springer, 2012
eBooks
Hansen, Bertrand L., author
Prentice-Hall, 1966
Buku Teks