Irvan <br/><br/>
Supercritical carbon dioxide extraction of ubiquinones and menaquinones from activated sludge / 
Irvan ... [et al.] 
<br/><br/> YA2006 M07 D01 
<br/><br/><label>Source: </label>Journal of Chromatography A 1113 (1-2) 2006 : 14-19 0021-9673