"Matrix-assisted laser desorption time-of-flight mass spectrometry of oligonucleotides using 3-hydroxypicolinic acid as an ultraviolet-sensitive matrix". Rapid Commun. Mass Spectrom.7 (2): 142–6. 1993. doi:10.1002/rcm.1290070206. பப்மெட்:8457722. Bibcode: 1993RCMS....7..142W.
"Matrix-assisted laser desorption time-of-flight mass spectrometry of oligonucleotides using 3-hydroxypicolinic acid as an ultraviolet-sensitive matrix". Rapid Commun. Mass Spectrom.7 (2): 142–6. 1993. doi:10.1002/rcm.1290070206. பப்மெட்:8457722. Bibcode: 1993RCMS....7..142W.
"Matrix-assisted laser desorption time-of-flight mass spectrometry of oligonucleotides using 3-hydroxypicolinic acid as an ultraviolet-sensitive matrix". Rapid Commun. Mass Spectrom.7 (2): 142–6. 1993. doi:10.1002/rcm.1290070206. பப்மெட்:8457722. Bibcode: 1993RCMS....7..142W.