
- Author: Mark Heckler
- Language: German
- Year: 2021

- Author: Mark Heckler
- Language: English
- Year: 2021

- Author: Mark Heckler
- Language: English
- Year: 2021

- Author: Mark Heckler
- Language: English
- Year: 2021

- Author: Carl Dea Gerrit Grunwald José Pereda Sean Phillips Mark Heckler
- Language: English
- Year: 2017

- Author: Carl Dea Mark Heckler Gerrit Grunwald Jose Pereda Sean Phillips
- Language: English
- Year: 2014

- Author: Carl Dea Mark Heckler Gerrit Grunwald José Pereda Sean M. Phillips (auth.)
- Language: English
- Year: 2014

- Author: Carl Dea Mark Heckler Gerrit Grunwald José Pereda Sean Phillips
- Language: English
- Year: 2014