@misc{indiciae17c884b4ac2d, title = {A versatile flashlight without batteries.}, author = {S I ASKOVITZ}, year = {1957}, doi = {10.1016/0002-9394(57)92103-7}, url = {https://pubmed.ncbi.nlm.nih.gov/13394664/}, note = {Source identifier: 13394664} }