@misc{unknown-a,
  title = {Sulfonated Poly(phenylene sulfone)s with High Ion Exchange Capacity},
  author = {金 済徳},
  publisher = {},
  year = {},
  keywords = {Sulfonated Poly(phenylene sulfone)s (SPPSU), High Ion Exchange Capacity, SPPSU ionomer, Electrolyte membranes, PEFCs}
}