Polarimetric investigation of the nebula NGC 6618 and the neighboring stars

C. Goudis, Astrophys. Space Sci.,37, 455 (1975). H. R. Dickel, Astrophys. J.,152, 651 (1968). D. A. Harper, F. J. Low, G. H. Rieke, and J. A. Thronson, Astrophys. J.,205, 136 (1976). Yu. I. Glushkov, Candidate's Dissertation [in Russian], Leningrad State University (1973). D. E. Kleinmann, Astrophys. Lett.,13, 49 (1973). R. E. Gershberg, V. F. Esipov, V. I. Pronik, and P. V. Shcheglov, Izv. Krym. Astrofiz. Obs.,26, 313 (1961). V. A. Dombrovskii, Astron. Zh., 35, 687 (1958). D. A. Rozhkovskii, Yu. I. Glushkov, and K. G. Dzhakusheva, Astrofiz. In-ta Akad. Nauk KazSSR,14, 19 (1962). K. S. Krishna Swamy and C. R. O'Dell, Astrophys. J.,147, 529 (1967). D. A. Rozhkovskii and K. G. Dzhakusheva, Izv. Astrofiz. In-ta Akad. Nauk KazSSR,14, 34 (1962). É. E. Khachikyan, Soobshch. Byurak. Obs. Akad. Nauk Arm. SSR.,35, 25 (1964). N. M. Shakhovskoi and P. V. Shcheglov, Astron. Tsirk., No. 422, 1 (1967). V. A. Dombrovskii, V. A. Hagen-Thorn, S. M. Gutkevich, R. A. Polyakova, M. A. Svechnikov, and O. S. Shulov, Tr. AO LGU,22, 83 (1965). W. A. Hiltner, Astrophys. J., Suppl. Ser.,2, 389 (1956). J. S. Hall, Publ. US Naval Obs.,17, part 6 (1958). K. Ogura and K. Ishida, P. A. S. Japan,28, 35 (1976). W. A. Hiltner and H. L. Johnson, Astrophys. J.,124, 367 (1956). I. I. Pronik, Izv. Krym. Astrofiz. Obs.,20, 208 (1958);21, 268 (1959). K. H. Elliot and J. Meaburn, Astrophys. Space Sci.,35, 81 (1975). G. V. Coyne, Astron. J.,79, 565 (1974). C. B. Stephenson and R. W. Hobbs, Astron. J.,66, 186 (1961). P. A. Aannestad and E. M. Purcell, Ann. Rev. Astron. Astrophys.,11, 309 (1973). H. L. Johnson, Nebulae and Interstellar Matter, (ed. B. M. Middlehurst and L. H. Aller), Chicago (1968), p. 167. W. L. Gebel, Astrophys. J.,153, 743 (1968). W. A. Sherwood, Astrophys. Space Sci.,34, 3 (1975). K. Serkowski, D. S. Mathewson, and V. L. Ford, Astrophys. J.,196, 261 (1975). M. Beetz, H. Elsâsser, C. Poulakos, and R. Weinberger, Astron. Astrophys.,50, 41 (1976). R. C. Hall, in: Stars and Nebulae Studied with Photopolarimetry (ed. T. Gehrels), Tucson, Arizona (1974), p. 881.