Science Record

15

REFERENCES

[1] Tang Au-chin, Yao Kuo-sui, Lin Te-hou, Li Yu-wei and Li Shin-wei 1957 Science Record, New Ser. 1, 49.

[2] Tang Au-chin, Yao Kuo-sui, Ting Kai-sha, Lang Pei-chen and Chao Cheng-ta 1958 Acta Chimica Sinica, 24, (6).