TY - RPRT TI - Fluorescence correlation spectroscopy. II. An experimental realization. AU - D Magde AU - E L Elson AU - W W Webb PY - 1974 DO - 10.1002/bip.1974.360130103 UR - https://pubmed.ncbi.nlm.nih.gov/4818131/ ID - 4818131 ER -