| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| "Stark Effect In A Hydrogenic Atom Or Ion: Treated by the Phase-Integral Method with Adjoined Papers by A. Hokback and P. O. Froman | 978-1-86O94-924-1 (1-86O94-924-X) | 2008 | Sweden) & Per Olof Fröman (University of Uppsala · Sweden) |