Title:
Reports on Progress in Physics
Abbreviated Title:
Rep. Prog. Phys.
Publisher:
IOP Publishing
ISSN
(Print):
00344885
Publication date
(Print):
January
1972
Volume: 35
Issue: 1
Pages: 315-397
Article
DOI: 10.1088/0034-4885/35/1/306
SO-VID: 88ec4ae0-dd07-400e-8e15-80524ace7c5c