APA

Zahlsen K., Eide I. & Eide I.Standarizing the novel method for chemical fingerprinting of oil and petroleum products based on positive electrospray mass spectrometry and chemometrics. : .

Chicago

Zahlsen Kolbjorn, Eide Ingvar and Eide Ingvar.Standarizing the novel method for chemical fingerprinting of oil and petroleum products based on positive electrospray mass spectrometry and chemometrics. : .

Harvard

Zahlsen K., Eide I. and Eide I.Standarizing the novel method for chemical fingerprinting of oil and petroleum products based on positive electrospray mass spectrometry and chemometrics. : .

MLA

Zahlsen Kolbjorn, Eide Ingvar and Eide Ingvar.: . .