TY  - SER
AU  - Mukherjee,Samit
AU  - Srivastava,S.K.
AU  - Srivastava,S.K.
TI  - Trace elements in high-sulfur Assam coals from the Makum coalfield in the northeastern region of India
KW  - Azufre
KW  - Carbón
ER  -