TY - GEN AU - Haile,S M AU - Boysen,D A AU - Chisholm,C R AU - Merle,R B TI - Solid acids as fuel cell electrolytes SN - 0028-0836 PY - 2001///0521 N1 - Publication Type: Journal Article UR - https://doi.org/10.1038/35073536 ER -