TY - RPRT TI - OPTICAL MICROVARIABILITY IN QUASARS: SPECTRAL VARIABILITY AU - RamIrez, A AU - Dultzin, D PY - 2010 DO - 10.1088/0004-637x/714/1/605 UR - https://www.osti.gov/biblio/21448895 ID - 21448895 ER -