Title:
Reports on Progress in Physics
Abbreviated Title:
Rep. Prog. Phys.
Publisher:
IOP Publishing
ISSN
(Print):
00344885
Publication date
(Print):
July
1967
Volume: 30
Issue: 2
Pages: 615-730
Article
DOI: 10.1088/0034-4885/30/2/306
SO-VID: d5fa09ed-1ccd-4155-ae9c-5898add0cc82