@book{Feynman_2010, address={New York}, title={Feynman Lectures on Physics}, publisher={The Perseus Books Group}, author={Feynman, Richard P}, year={2010} }
@book{Young_Freedman_2015, address={Harlow}, edition={14th edition}, title={University Physics with Modern Physics, Global Edition}, publisher={Pearson Education Limited}, author={Young, Hugh D. and Freedman, Roger A.}, year={2015} }