Markwart, J., Battig, A., Kuckhoff, T., Schartel, B., & Wurm, F. (2019). First phosphorus AB2 monomer for flame-retardant hyperbranched polyphosphoesters: AB2vs. A2 + B3. Polymer Chemistry, 10(43), 5920-5930. doi:10.1039/c9py01156k.