Holding back floods or attacks with giant balloons. IN Science & Technology.

Holding back floods or attacks with giant balloons. IN Science & Technology.

Xehetasun bibliografikoak
Argitaratua izan da:Manila Bulletin Jan-Dec, Mon-Sat (2012).
Egile nagusia: Fountain, Henry
Formatua: Artikulua
Hizkuntza:English
Gaiak:
Subway tunnels > Flood control.