Technical bulletin vol.21.

Xehetasun bibliografikoak
Erakunde egilea:	United Nations. Economic Commission for Asia and the Far East. Committee for Co-ordination of Joint Prospecting for Mineral Resources in Asian Offshore Areas
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	[Tokyo] s.n. 1990.
Gaiak:	Prospecting. Mines and mineral resources > Asia.