TY - RPRT TI - The role of the U.S. National Innovation System in the development of the PEM stationary fuel cell AU - Nail, John M AU - Anderson, Gary AU - Ceasar, Gerald AU - Hansen, Christopher J PY - 2005 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 7161 DO - 10.6028/NIST.IR.7161 ER -