TY - BOOK AU - Brooks, R.R. TI - Geobotany and biogeochemistry in mineral exploration T2 - Harper' s Geo-Science Series U1 - 550.81:581.9+574.5 L2 PY - 1972/// CY - New York PB - Harper & Row KW - R.R.Brooks KW - Mineralogical chemistry,Phytogeography,Biogeochemistry,Plants-Assimilation ER -