%0 conference poster %@ %A Spiegel, K., Headley, J. V., Peru, K. M., Haidar, N., Gurprasad, N. P. %D 1996 %J Ninth Annual Tandem Mass Spectrometry Workshop; Book of Abstracts %T Comparison of GC/MS/MS and GC/MS of residues of explosives in groundwater using an ion-trap and mass selective detector %U %X