Lefond, S.J. [et al.]
Industrial minerals and rocks : non metallics other than fuels - 4th ed. - New York Amsterdam 1975 - xi, 1360p. : ill.
549(021) / L4
Industrial minerals and rocks : non metallics other than fuels - 4th ed. - New York Amsterdam 1975 - xi, 1360p. : ill.
549(021) / L4