@misc{indiciae3d85e0d435c0, title = {The 75 deg Vuilleumier cryogenic refrigerator. Task 2: Analytical test program}, author = {Browning, C. W. and Potter, V. L.}, year = {1972}, url = {https://ntrs.nasa.gov/citations/19780073781}, note = {Source identifier: 19780073781} }