000 | nam a22 4500 | ||
---|---|---|---|
110 | _aPow, Sukontableong S. | ||
245 | _aGeochemical data analysis and optimum sampling spacing with reference to the Mae Ping river area Tak, Thailand | ||
260 |
_aBangkok _bEconomic Geology Division Department of Mineral Resources _c1977 |
||
942 | _c22 | ||
999 |
_c5859 _d5859 |