P. Zalewski, M. Zajac, A. Jelinska, J. Cielecka-Piontek, and I. Oszczapowicz, “Stability Study of Anticancer Agent N-[(Hexahydroazepin-1-yl)methyl]daunorubicin in Aqueous Solutions Using HPLC Method”, ajc, vol. 23, no. 2, pp. 835–838, Oct. 2010.