| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|---|
| Nichtreaktive Messverfahren | Broschiert | 978-3-407-57003-1 (3-407-57003-1) | 1985 | Donald T Campbell · Eugene J Webb · Helmut Lück · Richard Schwartz | |
| Unobtrusive Measures | Hardcover | 978-0-7619-2011-3 (0-7619-2011-0) | 1999 | Eugene J. Webb · Donald T. Campbell · Richard D. Schwartz | |
| Unobtrusive Measures | Paperback | 978-0-7619-2012-0 (0-7619-2012-9) | 1999 | ||