The design, construction and application of airborne gamma-ray spectrometer calibration pads - Thailand
1970 ◽
Vol 7
(4)
◽
pp. 1093-1098
◽
1974 ◽
2015 ◽
Vol 74
(1)
◽
pp. 87-93
2016 ◽
Vol 5
(03)
◽
pp. 4892
◽