R. Grenchik
发表
R. K. Swank,
H. Palevsky,
H PALEVSKY,
1947,
The Review of scientific instruments.
W. Roberts,
D. E. Billings,
R. Grenchik,
1953
.
C. K. Seyfert,
R. Hardie,
R. Grenchik,
1960
.