Columbia subject headings:
Percolation (Statistical physics)--Congresses.
Solid state physics--Congresses.
Superconductivity--Congresses.
Harvard subject headings:
Percolation (Statistical physics)--Congresses.
Solid state physics--Congresses.
Superconductivity--Congresses
Princeton subject headings:
Percolation (Statistical physics)--Congresses.
Solid state physics--Congresses.
Superconductivity--Congresses.