Herbert, B., Lecouturier, A., Hauser, N., Masquelier, D., & Remacle, C. (1987). Ultrastructural-localization of Alkaline-phosphatase in Osteogenic Cultures. Micron and Microscopica Acta, 18(3), 211-212. https://doi.org/10.1016/0739-6260(87)90064-5 (Original work published 1987)