Creation of digital databases and derivative products for coal and coalbed methane resource assessment; a short course
1998 ◽
Vol 35
(1-4)
◽
pp. 349-368
◽
2009 ◽
Vol 79
(3)
◽
pp. 97-112
◽
Keyword(s):
2008 ◽
Vol 19
(4)
◽
pp. 429-435
◽
Keyword(s):
Keyword(s):