00271nam a2200109 a 450000500170000002000150001708200150003210000200004724500250006726000480009230000210014020251203110051.0  a0521422701  a523.1bPEA  aPeacock, John A  aCosmological physics  aCambridgebCambridge University Pressc1999  axi,682p.c23 cm.