TY - GEN AU - Galfard, Christophe TI - How to understand E=mcø SN - 9781786484956 AV - QH 540 GAL 2017 PY - 2017/// CY - London PB - Quercus KW - Einstein, Albert, -- 1879-1955 KW - Relativity (Physics) KW - Equivalence principle (Physics) N1 - Includes bibliographical references ER -