00558nam a22001577a 4500 0 0 0 0 fsd fsd 2023-07-25 Purchased: 0.00 0 523.112 RIO 98251 2023-07-25 00:00:00 1 BK 52850 52850 0716723662 (pbk) 9780716723660 (pbk) 523.112 RIO Riordon, Michael David N. Schramm The shadows of creation dark matter and the structure of the universe New York W H Freeman and company 1991 viii, 277 p. ; ill. ; 22 cm. include index Specific celestial bodies and phenomena Big bang Astronomy Cosmology Dark Matter Shadow FBSH BK