IPA Council Votes Against New IPA SymbolPatricia A. KeatingCambridge University Press2012DOI 10.1017/s0025100312000114
Nonpolar Mutagenesis of the Ipa Genes Defines IpaB, IpaC, and IpaD as Effectors of Shigella Flexneri Entry into Epithelial CellsMénard, RJournal of Bacteriology1993DOI 10.1128/jb.175.18.5899-5906.1993
IPA DebatesInternational PsychogeriatricsInternational Psychogeriatrics2005DOI 10.1017/s1041610205002383
IPA InformationOtto H. WulluerJohn Wiley and Sons1982DOI 10.1111/j.1502-3931.1982.tb01989.x|10.1111/j.1502-3931.1982.tb01988.x
IPA NEWSArthur S. AbramsonJournal of the International Phonetic Association2006DOI 10.1017/s0025100306002660