Rees, W. G., author
Cambridge University Press, 1994
eBooks
Peebles, Peyton Z., author
McGraw-Hill, 1980
Buku Teks
Saxena, Surrendra Kumar, author
Martinus Nijhoff , 1955
Buku Teks
Saxena, S.K.
Martinus Nijhoff, 1955
Buku Teks
edited by Andreas Bandak and Lars Hojer
John Wiley & Sons, 2015
Buku Teks