Harben, Peter W.
Industrial minerals geology and world deposits - London Industrial mineral division,metal bulletin plc 1990 - [8], 312p Illustration 30cm x 21cm
0947671285
Nonmetallic minerals
Mines and mineral resources
Economic geology
553 / HAR
Industrial minerals geology and world deposits - London Industrial mineral division,metal bulletin plc 1990 - [8], 312p Illustration 30cm x 21cm
0947671285
Nonmetallic minerals
Mines and mineral resources
Economic geology
553 / HAR