TY - GEN TI - Magnetophotoluminescence measurement of the formation time of an exciton in AlxGa1-xAs/GaAs quantum-well structures SN - 0163-1829 PY - 1995/// PB - Physical review. B, Condensed matter N1 - Publication Type: Journal Article UR - https://doi.org/10.1103/physrevb.52.16353 ER -