IUCr) Single-particle cryo-EM using alignment by classification (ABC): the structure of <span class="it"><i>Lumbricus terrestris</i></span> haemoglobin
Defocus-dependent Thon-ring fading | bioRxiv
Chapter 4: Cryo-EM Data Collection – Cryo EM 101
Thon Rings in Bright-Filed Imaging
Figure 8 | Structural Analysis of Protein Complexes by Cryo Electron Microscopy | SpringerLink