TY - BOOK AU - Naqvi, S.M. TI - Precambrian continental crust and its economic resources SN - 044488310 U1 - 551.71 DDC 21 PY - 1990/// CY - Amsterdam PB - Elsevier science publishers KW - Geology KW - Economic geology KW - Stratigraphic geology KW - Precambrian geologic period KW - Continental crust ER -