Kollender, Y., Shabat, S., Nirkin, A., Issakov, J., Flusser, G., Merimsky, O., & Meller, I. (1999). Periosteal Ewing's Sarcoma: Report of Two New Cases and Review of the Literature. Hindawi Publishing Corporation.

Kollender, Yehuda, Shay Shabat, Alexander Nirkin, Josephine Issakov, Gideon Flusser, Ofer Merimsky, and Isaac Meller. Periosteal Ewing's Sarcoma: Report of Two New Cases and Review of the Literature. Hindawi Publishing Corporation, 1999.

Kollender, Yehuda, et al. Periosteal Ewing's Sarcoma: Report of Two New Cases and Review of the Literature. Hindawi Publishing Corporation, 1999.