TY - RPRT TI - Quantitative electron microscopy: methods for dry mass determination, avoiding errors introduced by irradiation changes and contaminating films. AU - J R Casley-Smith PY - 1967 DO - 10.1016/s0022-5320(67)80206-5 UR - https://pubmed.ncbi.nlm.nih.gov/5338465/ ID - 5338465 ER -