A Study of Coal Extraction with Electron Paramagnetic Resonance and Proton Nuclear Magnetic Resonance Relaxation Techniques
1993 ◽
1997 ◽
Vol 8
(1)
◽
pp. 30-34
◽
1974 ◽
Vol 14
(12)
◽
pp. 907-921
◽
1988 ◽
Vol 7
(2)
◽
pp. 113-122
◽
1977 ◽
Vol 99
(26)
◽
pp. 8483-8490
◽