TY - RPRT TI - Solid acids as fuel cell electrolytes. AU - S M Haile AU - D A Boysen AU - C R Chisholm AU - R B Merle PY - 2001 DO - 10.1038/35073536 UR - https://pubmed.ncbi.nlm.nih.gov/11309611/ ID - 11309611 ER -