TY - BOOK AU - Rosenholtz,Joseph L. AU - Smith,Dudley T. TI - Tables and charts of specific gravity and hardness for use in the determination of minerals T2 - Engineering and Science Series PY - 1931/// CY - New York PB - Rensselaer Polytechnic Institute KW - Mineralogía KW - Determinación mineral KW - Libro ER -