Valero, N. Gómez, L. Pantoja, M. Ramírez, R. <br/><br/>
Production of humic substances through coal-solubilizing bacteria 

<br/><br/><label>Subjects--Topical Terms: </label><br/>CARVAO<br/>BACTERIA<br/>ADUBO ORGÂNICO<br/>HUMUS<br/>RESIDUO