![[cover]](../j/covers/3664.jpg)
Harold Jeffreys. Cartesian Tensors. CUP. 1931
![[cover]](../j/covers/1887.jpg)
Rating: 3
[ unmissable | great stuff | worth reading | passes the time | waste of time | unfinishable ]
Definitely not my first port of call for the information, but rather my second, when I need more depth