Wang, D. J. MPI for Polymer Research, Max Planck Society;
Cai, Y. L., Wang, D. J., Hu, X. B., Xu, Y. Z., Zhao, Y., Wu, J. G., et al. (2001). Crystalline Polymorphism of Alkyl Chains in Supramolecular Complexes of Polyethyleneimine with Octadecanoic Acid. Macromolecular Chemistry and Physics, 202, 2434-2439.