Transport of materials in bulk or in containers by pipe-lines .

Xehetasun bibliografikoak
Erakunde egilea:	United Nations. Dept. of Economic and Social Affairs
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	New York s.n. 1966.
Saila:	United Nations. [Document] ST/ECA/90
Gaiak:	Transportation.