Engelhardt, L. M.; Healy, P. C.; Patrick, V. A.; White, A. H. (1987). "Lewis-Base Adducts of Group-11 Metal(I) Compounds. XXX. 3:1 Complexes of Triphenylphosphine With Silver(I) Halides". Aust. J. Chem. 40 (11): 1873–1880. doi:10.1071/CH9871873.
Malinowski, J. (1968). "The Role of Holes in the Photographic Process". The Journal of Photographic Science. 16 (2): 57–62. doi:10.1080/00223638.1968.11737436.