Proposatutako topikoa bilaketarako iradokizunak
Proposatutako topikoa bilaketarako iradokizunak
Coal
108
Geology
39
Analysis
23
Geology, Stratigraphic
19
Coal mines and mining
17
Carbonization
16
Petroleum
13
Coke
13
Combustion
10
Fuel
10
Transportation
9
Research
7
Coal trade
6
Paleobotany
6
Petrology
5
Briquets (Fuel)
5
Mineral inclusions
5
Oil-shales
5
Prices
5
Testing
4
Coal-tar products
4
Geochemistry
4
Germanium
4
Lignite
4
Mathematical models
4
Mine gases
4
Mines and mining
4
Rocks
3
Analytical geochemistry
3
Coal gasification
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341Argitaratua 1887### CRL customization ### ?> ### Add publisher and desc details ### ?>[Halle-Saale] : [Verlag von C.G.W. Pfeffer (R. Stricker)], [1887]1 online resource (4 pages)LLMC Digital
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342nork Zhukov, O. V. (Oleg Vasilʹevich)### CRL customization ### ?> ### Add publisher and desc details ### ?>
Argitaratua 1986Sverdlovsk : UN︠T︡S AN SSSR, 1986.62 p. : ill. ; 20 cm. -
343Calcutta : The Department,v. ; 28 cm.
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344Argitaratua 2003### CRL customization ### ?> ### Add publisher and desc details ### ?>[Bratislava] : Slovnaft VURUP, [2003]-v. : ill. ; 30 cm.Also issued in print.Testu osoa
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