Columbia subject headings:
Cosmology--Congresses.
Quantum gravity--Congresses.
Space and time--Congresses.
Supergravity--Congresses.
Harvard subject headings:
Cosmology--Congresses.
Quantum gravity--Congresses.
Space and time--Congresses.
Supergravity--Congresses.
Princeton subject headings:
Cosmology--Congresses.
Quantum gravity--Congresses.
Space and time--Congresses.
Supergravity--Congresses.