TY - JOUR AU - Kargapoltsev, S. AU - Kitching, John AU - Hollberg, Leo AU - Taichenachev, A. AU - Velichanski, V AU - Yudin, V. C2 - Laser Physics Letters DA - 2004-10-01 00:10:00 LA - en M1 - 1 PB - Laser Physics Letters PY - 2004 TI - High-contrast dark resonances in s+ -s- optical field UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50033 ER -