TY  - SER
AU  - Valero,N.
AU  - Gómez,L.
AU  - Pantoja,M.
AU  - Ramírez,R.
TI  - Production of humic substances through coal-solubilizing bacteria
KW  - CARVAO
KW  - BACTERIA
KW  - ADUBO ORGÂNICO
KW  - HUMUS
KW  - RESIDUO
UR  - http://www.scielo.br/pdf/bjm/v45n3/21.pdf
ER  -