TY  - SER
AU  - Tomschey,Ottó
ED  - Symposium: Coal: formation, occurrence and related properties
TI  - Distribution of trace elements in coal and their host phases in a Lower Eocene coal seam of Hungary
SN  - 00379409
KW  - Charbons tertiaires
KW  - Eléments traces
KW  - Extractions séquentielles
N1  - bibliogr. p. 270
ER  -