参考文献

Sandvik, E. I. C. A., Diss. Rensselaer Polytech. Inst. 1961, S. 1/108 1962 , vol. 56, p. 5990 Show Details Sandvik, E. I. Diss. Abstr., Diss. Rensselaer Polytech. Inst. 1961, S. 1/108 1961 , vol. 22, p. 1030/1