共 111 条
[61]
PAREEK HS, 1964, CR 5 C INT STRAT G 3
[62]
PARKS BC, 1956, US BUR MIN B, P550
[65]
PETERSEN HI, 1998, GEOL DENMARK SURV B, V36
[66]
PETERSEN HI, 1994, DANM GEOL UNDERS A, V33
[67]
Raistrick A., 1939, NATURE ORIGIN COAL C
[69]
A PRELIMINARY-STUDY OF FUNGAL MELANIN BY INFRARED-SPECTROSCOPY
[J].
GEODERMA,
1980, 24 (03)
:207-213