00510nam a22001337a 4500020002100000020002400021082001700045100003900062245007500101260004400176300003500220500001800255650010300273  a0716723662 (pbk)  a9780716723660 (pbk)  a523.112bRIO  aRiordon, MichaelaDavid N. Schramm  aThe shadows of creationbdark matter and the structure of the universe  aNew YorkbW H Freeman and companyc1991  aviii, 277 p.b; ill.c; 22 cm.  ainclude index  aSpecific celestial bodies and phenomenaaBig bangvAstronomyvCosmologyvDark MattervShadowvFBSH