Proceedings of the seminar on sources of mineral raw materials for the fertilizer industry in asia and the far east /
United Nations.
- New York : United Nations, 1968.
- v. ; 28 cm.
- mineral resources development series no. 32 .
Bibliography: p. 141-142.
72486425
It***
Desert Locust Project.
Electronics.
631.82 / UNP
Bibliography: p. 141-142.
72486425
It***
Desert Locust Project.
Electronics.
631.82 / UNP