Palynology, petrography and paleoecology of the Hernshaw - Fire clay coal bed in the central Appalachian Basin
1994 ◽
Vol 106
(1-4)
◽
pp. 287-305
◽
1996 ◽
Vol 108
(1)
◽
pp. 120-125
◽
1990 ◽
Vol 102
(12)
◽
pp. 1720-1726
◽
1999 ◽
Vol 40
(4)
◽
pp. 255-280
◽