@proceedings {181,
	title = {Terahertz grid frequency doublers},
	year = {1995},
	publisher = {Citeseer},
	url = {https://www.nrao.edu/meetings/isstt/papers/1995/1995199206.pdf},
	author = {Chiao, Jung-Chih and Markelz, Andrea and Li, Yongjun and Hacker, Jonathan and Crowe, Thomas and Allen, James and Rutledge, David}
}
