TY  - JOUR 
T1  - The Art of Time Travel: An 'Insoluble' Problem Solved
JO  - Manuscrito
A1  - Bourne, Craig
A1  - Bourne, Emily Caddick
SN  - 0100-6045
UL  - 10.1590/0100-6045.2016.V39N4.CE
VL  - 39 
Y1  - 2016
PB  - Brasil 
ER  -