@misc{indiciae66b4e097b83e,
  title = {Micropower active filters for vhf applications},
  author = {Gaertner, W. W. and Kleinberg, L. and Weinert, F. K.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710060125},
  note = {Source identifier: 19710060125}
}