Nicolson, Iain
The universe
Horus Editions, 1995
Buku Referensi
Krauskopf, Konrad B.
The physical universe
McGraw-Hill, 2008
Buku Teks
Krauskopf, Konrad B.
The physical universe
McGraw-Hill, 1991
Buku Teks
Krauskopf, Konrad B.
The physical universe
McGraw-Hill, 1979
Buku Teks
Krauskopf, Konrad B.
The physical universe
McGraw-Hill , 1960
Buku Teks