The nature of hydrogen in x-ray photoelectron spectroscopy: General patterns from hydroxides to hydrogen bonding Kerber, S. J. ; Bruckner, J. J. ; Wozniak, K. ; Seal, S. ; Hardcastle, S. ; Barr, T. L. Abstract Publication: Journal of Vacuum Science Technology Pub Date: May 1996 Bibcode: 1996JVST...14.1314K