TY - GEN AU - Parsons,D F TI - The continuing importance of theoretical electron optics in the development of biomedical electron microscopy SN - 0304-3991 PY - 1977///0922 KW - Biology KW - Microscopy, Electron KW - Optics and Photonics N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0304-3991(76)91079-2 ER -