http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
The M.I.T. Introductory Physics Series is the result of a program of careful study, planning, and development that began in 1960. This book shows us the result of this program
Relativity (physics),Thuyết tương đối (vật lý)