Hartquist, T. W. Theory and Complex Plasmas, MPI for Extraterrestrial Physics, Max Planck Society;
Hartquist, T. W., Nejad, L. M. A., & Williams, D. A. (1993). The chemistry in low mass star formation. In T. J. Millar, & D. A. Williams (Eds.), Dust and chemistry in astronomy (pp. 205-218). Bristol: Inst. of Physics Publ.