Southan, A., Mateescu, M., Hagel, V., Bach, M., Schuh, C., Kleinhans, C., et al. (2013). Toward Controlling the Formation, Degradation Behavior, and Properties of Hydrogels Synthesized by Aza-Michael Reactions. Macromolecular Chemistry and Physics, 214, 1865-1873. doi:10.1002/macp.201300359.