@article{Hrivnak:3901,
      author        = "Hrivnak, B. J. and  Van de Steene, G.C. and Van Winckel,
                       H. and Lu, W. and Sperauskas, J.",
      title         = "{Variability in Proto-planetary Nebulae. V. Velocity and
                       Light Curve Analysis of IRAS 17436+5003, 18095+2704, and
                       19475+3119}",
      year          = "2018",
}