
- Author: Coderch J.S.
- Language: Spanish

- Author: Bezantakos N. Astirakaki E. Galani M.
- Language: Greek

- Author: Billa Polixeni.
- Language: Greek

- Author: Nunn H.P.V.
- Language: Greek-English

- Author: Oikonomou M.
- Language: Greek

- Author: Фриск Х.
- Language: Greek-Русский

- Author: Hudson D.F.
- Language: English

- Author: Rutherford W.
- Language: English