BEATO, BD, YOST, RA, QUIRKE, JME. (1989). DOUBLY CHARGED PORPHYRIN ION TANDEM MASS-SPECTROMETRY - IMPLICATIONS FOR STRUCTURE ELUCIDATION
.
ORGANIC MASS SPECTROMETRY, 24(10), 875-884. 10.1002/oms.1210241005
BEATO, BD, YOST, RA, QUIRKE, JME. (1989). DOUBLY CHARGED PORPHYRIN ION TANDEM MASS-SPECTROMETRY - IMPLICATIONS FOR STRUCTURE ELUCIDATION
. ORGANIC MASS SPECTROMETRY, 24(10), 875-884. 10.1002/oms.1210241005