00395nam a2200145Ia 450000100060000000800410000602000180004704000130006508200190007810000240009724500570012126000530017830000110023154600070024221814140409s9999    xx            000 0 und d  a0-521-45039-x  cPK-LaUMT  a 530.41bCHA-W  aB. S. Chandrasekhar  aWhy things are the way they arecB. S. Chandrasekhar  aNew York,USA:bCambridge University Press,c1998  a254 p.  aEN