@misc{indiciaec7799db355a4, title = {A Basic Study on the Ignition of Hypergolic Liquid Propellants Interim Report}, author = {Breen, B. P. and Tkachenko, E. A. and Zung, L. B.}, year = {1968}, url = {https://ntrs.nasa.gov/citations/19690010834}, note = {Source identifier: 19690010834} }