@misc{indiciaef993f0b932f4, title = {Variable-Position Acoustic Levitation}, author = {Barmatz, M. B. and Stoneburner, J. D. and Jacobi, N. and Wang, T. G.}, year = {1983}, url = {https://ntrs.nasa.gov/citations/19820000355}, note = {Source identifier: 19820000355} }