editor, G.R. Castro and M. Cardona
Springer-Verlag Berlin Heidelberg, 1987
Buku Teks
National Academy Press, 2001
Buku Teks
Pasachoff, Jay M., author
Thomson, 2001
Buku Teks
Shaffer, Rick, author
Gramercy Books, 1994
Buku Referensi
Chaisson, Eric, author
Prentice-Hall, 1999
Buku Referensi