TY - BOOK AU - Hendzel, Kevin S AU - TI - physical effects in the gravitational field of black holes U1 - 524.88 PY - 1987/// CY - Commack PB - Nova KW - Astronomical physics KW - Physics, Astronomical KW - Astrophysics KW - Spectroscopy KW - black holes KW - Spectrum analysis KW - Astronomy KW - Physics KW - Stars KW - Frozen stars KW - gravitational field ER -