Nolthenius, Helene, author
Salamander, 1967
Buku Teks
Colosimo, Wanda D’Addio
Zanichelli, 1974
Buku Teks
edited by Leszek Plaskota
Springer, 2012
eBooks
Rubinstein, Reuven Y., author
John Wiley & Sons, 1981
Buku Teks
Kroese, Dirk P., author
Wiley , 2011
Buku Teks