TY - RPRT TI - Two-dimensional time-frequency ultrafast infrared vibrational echo spectroscopy. AU - K A Merchant AU - D E Thompson AU - M D Fayer PY - 2001 DO - 10.1103/physrevlett.86.3899 UR - https://pubmed.ncbi.nlm.nih.gov/11329352/ ID - 11329352 ER -