@article{755156, author = {V Shah and Svenja Knappe and Leo Hollberg and John Kitching}, title = {High Contrast Coherent Population Trapping Resonances Using Four Wave Mixing in 87Rb.}, year = {2007}, number = {32}, month = {2007-05-15 00:05:00}, publisher = {Physical Review A (Atomic, Molecular and Optical Physics)}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50461}, language = {en}, }