The Symbiotic Phenomenon: Proceedings of the 103rd Colloquium of the International Astronomical Union, Held in Torun, Poland, August 18–20, 1987 Astrophysics and Space Science Library, nr. 145 Editat de Joanna Mikolajewska et al. 9 noi 2011 Paperback Preț: 386.56 lei 6-8 săpt.