Fertilizer mineral potential in Asia and the Pacific proceedings of the Fertilizer Raw Materials Resources Workshop, August 20-24, 1979, Honolulu, Hawaii
Fertilizer Raw Materials Resources Workshop (Honolulu, Hawaii 1979) Richard Porter Sheldon 1923-; William C Burnett
Honolulu East-West Resource Systems Institute, East-West Center 1980
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ESALQ - Biblioteca Central
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