Al-Khalili,Jim.
Black Holes,Worm Holes and Time Machines. - 2nd. - Boca Roton. CRC Press. 2012 - 184p.
9781439885598
Cosmology-Space and Time.
530.11 / ALK/B
Black Holes,Worm Holes and Time Machines. - 2nd. - Boca Roton. CRC Press. 2012 - 184p.
9781439885598
Cosmology-Space and Time.
530.11 / ALK/B