Ditlevsen, O., author
John Wiley & Sons, 1996
Buku Teks
Kapur, Kailash Chander, author
John Wiley & Sons, 1977
Buku Teks
Smith, C.S., author
Pitman, 1969
Buku Teks
Nowak, Andrzej S., author
McGraw-Hill, 2000
Buku Teks
Thoft-Christensen, Palle, author
Springer-Verlag, 1982
Buku Teks