Madejski, G., Done, C., Zycki, P., Rothschild, R., Blanco, P., Valinia, A., & Turek, B. (1998). Constraints on the Structure of the Circumnuclear Region of the Seyfert 2 Galaxy NGC 4945 Inferred from Hard X-ray Observations with the RXTE. Bulletin of the American Astronomical Society, 30, 1332-