TY - BOOK AU - Notholt,Jarvis, A.J.G., ed. TI - Phosphorite research development T2 - Geological society special publication SN - 0903317532 U1 - 553.64 21st ed. PY - 1990/// CY - London PB - The Geological Society KW - Economic geology KW - I.,ed KW - Phosphates KW - Phosphorites N1 - Index: p. 321-26 ER -