TY - RPRT TI - Population transfer with delayed pulses in four-state systems. AU - J Oreg AU - K Bergmann AU - BW Shore AU - S Rosenwaks PY - 1992 DO - 10.1103/physreva.45.4888 UR - https://pubmed.ncbi.nlm.nih.gov/9907571/ ID - 9907571 ER -