1. Background geochemistry of some rocks, soils, plants, and vegetables in the conterminous United States Author/Creator: Connor, Jon J. Publication/Creation: Washington : U.S. Govt. Print. Off, 1975 Resource Type: Book Access & Availability: Loading
2. Bulletin signalétique. 220, Minéralogie, géochimie, géologie extraterrestre Publication/Creation: Paris : Centre de documentation C.N.R.S., 1972- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
3. Bulletin signalétique 220. Minéralogie, géochimie, géologie extraterrestre Publication/Creation: Paris, France : Centre national de la recherche scientifique, INFORMASCIENCE Resource Type: Journal, Newspaper or Serial Access & Availability: Loading