@misc{indiciae8ae6f86d3641, title = {Lunar libration region L4 photometry}, author = {Mercer, R. D. and Dunkelman, L. and Klinglesmith, D. A. and Alvord, G. C.}, year = {1979}, url = {https://ntrs.nasa.gov/citations/19800029581}, note = {Source identifier: 19800029581} }