@misc{С._И._Грачев_B,
 author={С. И. Грачев},
 address={Երևան},
 howpublished={online},
 publisher={ՀՍՍՀ ԳԱ հրատ․},
 title={B stars with and without emission lines, A. Underhill (editor) author part I), V. Doazan (editor/author part II), NASA SP-456, 1982, 487 p.},
 type={Հոդված},
 keywords={Astrophysics, Science, Stars},
}