9S.John,B.A shenoi.colouring of alaminium power. Finishing Industries . 1978
10Du Bin, Zhou Shisheng, Li Nali, et al. Optimization of SiO2 coatings on the surface of aluminum pigments[J]. Energy Education Science and Technology Part A: En- ergy Science and Research, 2013, 31(1): 469- 472.