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ISSN 0361-0128
EISSN 1554-0774
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Economic Geology March 01, 1920, Vol.15, 103-135. doi:10.2113/gsecongeo.15.2.103
Economic Geology March 01, 1920, Vol.15, 136-149. doi:10.2113/gsecongeo.15.2.136
Economic Geology March 01, 1920, Vol.15, 150-169. doi:10.2113/gsecongeo.15.2.150
Economic Geology March 01, 1920, Vol.15, 170-176. doi:10.2113/gsecongeo.15.2.170
Economic Geology March 01, 1920, Vol.15, 177-180. doi:10.2113/gsecongeo.15.2.177
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