TY - RPRT TI - Defocus and magnification dependent variation of TEM image astigmatism AU - Yan, R. AU - Li, K. AU - Jiang, W. PY - 2017 DO - 10.1101/138255 UR - https://www.biorxiv.org/content/10.1101/138255v1 ID - 10.1101/138255 ER -