% Khrapak et al., PK-3 Plus survey: main parameters and experiments
@ARTICLE{Khrapak37,
   author       = "A. G. Khrapak and V. I. Molotkov and A. M. Lipaev and D. I. Zhukhovitskii and V. N. Naumkin and  V. E. Fortov and O. F. Petrov and H. M. Thomas and S. A. Khrapak and P. Huber and A. Ivlev and G. Morfill",
   title        = "Complex Plasma Research under Microgravity Conditions: PK-3 Plus Laboratory on the International Space Station",
   journal      = "Contrib.\ Plasma Phys.",
   volume       = "56",
   pages        = "253",
   year         = "2016",
   doi          = "10.1002/ctpp.201500102"
}