Drechsler, S.-L., Richter, J., Kuzian, R., Málek, J., Tristan, N., Büchner, B., Moskvin, A. S., Gippius, A. A., Vasiliev, A., Volkova, O., Prokofiev, A., Rakoto, H., Broto, J.-M., Schnelle, W., Schmitt, M., Ormeci, A., Loison, C., & Rosner, H. (2007). Helimagnetism and weak ferromagnetism in edge-shared chain cuprates. Journal of Magnetism and Magnetic Materials, 316, 306-312. doi:10.1016/j.jmmm.2007.03.200.