المؤلفون: Rutkowski, H. L., Oona, Hain, Meyer, E. A., Shurter, R. P., Engelhardt, L. S., Humphries, S.

المصدر: IEEE Transactions on Nuclear Science IEEE Trans. Nucl. Sci. Nuclear Science, IEEE Transactions on. 32(5):1742-1744 Oct, 1985

المؤلفون: Oona, Hain, Fan, C.Y.

المصدر: In Nuclear Instruments and Methods 1977 143(2):391-397