Technical bulletin vol.21.

書誌詳細
団体著者:	United Nations. Economic Commission for Asia and the Far East. Committee for Co-ordination of Joint Prospecting for Mineral Resources in Asian Offshore Areas
フォーマット:	図書
言語:	英語
出版事項:	[Tokyo] s.n. 1990.
主題:	Prospecting. Mines and mineral resources > Asia.