Language
- Chinese with English abstract1
- Chinese, english1
- Contributions in French, English, Portuguese and Spanish.1
- Czech1
- ES1
- Enblish1
- Eng;iish1
- English / Chinese1
- English / Portuguese1
- English / Serbian1
- English / Slovenian1
- English / Spanish1
- English and Spanish.1
- English and porteguese1
- English with Spanish / English abstract1
- English, French1
- English, Portuguese and Spanish1
- English, Spanish and Portuguese.1
- English, with some text in French1
- English/Arabic1