| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 2013 |
|
Wonderwaan december 2013, #28: De aarde is de enige vreemde planeet | NCSF | MAGAZINE | vii|7.1 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 2013 |
|
Wonderwaan december 2013, #28: De aarde is de enige vreemde planeet | NCSF | MAGAZINE | vii|7.1 |