TY  - BOOK
AU  - Friedman, William J
TI  - About time: Inventing the fourth dimension
SN  - 0-262-06133-3
U1  - 153.753/FRI 
PY  - 1990///
CY  - Massachusetts
PB  - MIT Pr
KW  - Space and time
KW  - Time perception
KW  - Philosophy
ER  -