Cite
MLA Citation
Sanjeev Mishra et al.. “Knotted in-tube and mini-column solid phase extraction of polycyclic aromatic compounds and nitroaromatics from aqueous samples for their determination by gas chromatography–mass spectrometry.” International journal of environment and pollution, vol. 27, 2006, pp. 231–246. http://access.bl.uk/ark:/81055/vdc_100072727444.0x000048