@misc{indiciae2956d33f8999,
  title = {Unsymmetrical squaraines for nonlinear optical materials},
  author = {Marder, Seth R. and Chen, Chin-Ti and Cheng, Lap-Tak},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/20080004141},
  note = {Source identifier: 20080004141}
}