Reference : - #053 Okamoto, Kojima, Suparka
and Supriyanto (1994)
#053 1994, Okamoto, S., Kojima, S., Suparka,
S. and Supriyanto, J. Campanian (upper Cretaceous)
radiolarians from a shale clast in the Paleogene
of central Java, Indonesia. Jour. SE Asian
Earth Sci., vol.9, p.45-50, text-fig.1-5,
table 1-5.
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