Supercritical fluid extraction of polynuclear aromatic hydrocarbons from coal with off-line CGC-MS analysis
1991 ◽
Vol 14
(9)
◽
pp. 633-635
◽
1996 ◽
Vol 19
(9)
◽
pp. 1473-1482
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1994 ◽
Vol 672
(1-2)
◽
pp. 167-175
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1995 ◽
Vol 18
(11)
◽
pp. 709-712
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1998 ◽
Vol 36
(2)
◽
pp. 59-65
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1996 ◽
Vol 9
(1-4)
◽
pp. 365-372
◽
2004 ◽
pp. 360-367