@misc{indiciae1b15c0e1fc81, title = {A simulation model for wind energy storage systems. Volume 2: Operation manual}, author = {Warren, A. W. and Edsinger, R. W. and Burroughs, J. D.}, year = {1977}, url = {https://ntrs.nasa.gov/citations/19780012860}, note = {Source identifier: 19780012860} }