APA

Mullens S., Yperman J. & Yperman J.Sulfur analysis of bolu-mengen lignite before and after microbiological treatment using reductive pyrolysis and gas chromatography/mass spectrometry. : .

Chicago

Mullens S, Yperman J and Yperman J.Sulfur analysis of bolu-mengen lignite before and after microbiological treatment using reductive pyrolysis and gas chromatography/mass spectrometry. : .

Harvard

Mullens S., Yperman J. and Yperman J.Sulfur analysis of bolu-mengen lignite before and after microbiological treatment using reductive pyrolysis and gas chromatography/mass spectrometry. : .

MLA

Mullens S, Yperman J and Yperman J.: . .