TY - RPRT TI - A fast autofocus unit for fluorescence microscopy. AU - W Böcker AU - W Rolf AU - W U Müller AU - C Streffer PY - 1997 DO - 10.1088/0031-9155/42/10/012 UR - https://pubmed.ncbi.nlm.nih.gov/9364594/ ID - 9364594 ER -