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491.
NATIONAL MINING ASSN. WEEKLY STATISTICAL SUMMARY
ISSN :
ÃâÆÇ»ç :
NATIONAL MINING ASSN
±¹°¡ :
UNITEDSTATES
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492.
NATIONAL UNION OF COAL MINE WORKERS. JL
ISSN :
ÃâÆÇ»ç :
NATIONAL UNION OF COAL MINE WORKERS
±¹°¡ :
JAPAN
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ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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493.
NATURAL RESOURCES RESEARCH
ISSN :
1520-7439
ÃâÆÇ»ç :
SPRINGER NATURE CUSTOMER SERVICE CENTER GMBH
±¹°¡ :
GERMANY
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ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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494.
NAUCHNO-TEKHNICHESKIE DOSTIZHENIYA I PEREDOVOI OPYT V OBLASTI GEOLOGII I RAZVEDKI NADER
ISSN :
0868-4502
ÃâÆÇ»ç :
GEOINFORMMARK
±¹°¡ :
RUSSIANFEDERATION
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ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
495.
NETHERLANDS JL OF GEOSCIENCES - GEOLOGIE EN MIJNBOUW
ISSN :
0016-7746
ÃâÆÇ»ç :
CAMBRIDGE UNIVERSITY PRESS
±¹°¡ :
ENGLAND
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ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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496.
NEUES JAHRBUCH FUER MINERALOGIE. ABHANDLUNGEN
ISSN :
0077-7757
ÃâÆÇ»ç :
E.SCHWEIZERBARTISCHE VERLAGSBUCHHANDLUNG
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GERMANY
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ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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497.
NEUES JAHRBUCH FUER MINERALOGIE. MONATSHEFTE
ISSN :
0028-3649
ÃâÆÇ»ç :
E.SCHWEIZERBARTISCHE VERLAGSBUCHHANDLUNG
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GERMANY
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ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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498.
NEVADA MINERAL INDUSTRY (YEAR)
ISSN :
ÃâÆÇ»ç :
BUREAU OF MINES & GEOLOGY
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UNITEDSTATES
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ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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499.
NEVADA. BUREAU OF MINES & GEOLOGY. BULLETIN
ISSN :
0097-191X
ÃâÆÇ»ç :
BUREAU OF MINES & GEOLOGY
±¹°¡ :
UNITEDSTATES
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ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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500.
NEVADA. BUREAU OF MINES & GEOLOGY. EDUCATIONAL SERIES
ISSN :
ÃâÆÇ»ç :
BUREAU OF MINES & GEOLOGY
±¹°¡ :
UNITEDSTATES
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ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/±¤¾÷
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±³À°/±³¼ö¹ý(ÀϹÝ)/±³¼ö¹ý(ÀϹÝ)
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