TY - JOUR T1 - USE OF SPOT-SCAN PROCEDURE FOR RECORDING LOW-DOSE MICROGRAPHS OF BEAM-SENSITIVE SPECIMENS JO - ULTRAMICROSCOPY PY - 1987/01/01 AU - BULLOUGH P AU - HENDERSON R ED - VL - 21 IS - 3 SP - 223 EP - 229 Y2 - 2024/12/26 ER -