edited by Knut Bjorlykke
Springer Berlin Springe, 2016
Buku Teks
Blatt, Harvey
W.H. Freeman, 1982
Buku Teks
New York Grapic Society, 1957
Buku Referensi
Waddams, A. Lawrence
The English Language Boook Society and John Murray, , 1968"
Buku Teks
Katili, J. A.
The Indonesian Association of Geologists, 1985
Buku Teks