TY - GEN AU - Pinard,M AU - Verkerk,P AU - Grynberg,G TI - Level-crossing spectroscopy of atoms dressed by optical photons in degenerate four-wave mixing SN - 0146-9592 PY - 2012///1002 N1 - Publication Type: Journal Article UR - https://doi.org/10.1364/ol.9.000399 ER -