# Entrance zone length of extra-long undersea tunnels based on vision adaptation

> Research article (Tunnelling and Underground Space Technology, 2021) · cited 41× · AI/ML

**Wikidata**: [openalex:W3157371445](https://www.wikidata.org/wiki/openalex:W3157371445)  
**Source**: https://4ort.xyz/entity/entrance-zone-length-of-extra-long-undersea-tunnels-based-on-vision-adaptation