@misc{indiciaefee58abe30dd, title = {An energy filter for biological electron microscopy.}, author = {R M Henkelman and F P Ottensmeyer}, year = {1974}, doi = {10.1111/j.1365-2818.1974.tb03968.x}, url = {https://pubmed.ncbi.nlm.nih.gov/4374545/}, note = {Source identifier: 4374545} }