McLaurin, Brett T., author
Springer, 2012
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Harahap, B. H.
Pusat Survai geologi Bandung, 2011
Artikel Jurnal
Lazzaro, Joseph J., author
[American Library association, ], 2001
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Llewellyn, Kate, author
Hudson Hawthorn, 1989.
Buku Teks
edited by Ellen van Bueren, Hein van Bohemen, Laure Itard, Henk Visscher,
Springer, 2012
Buku Teks