00525pamaa2200169 4500 0000017255 20090116090000.0 0300054718 523.12 ORI QB631 ORI 1988 ORIGINS and extinctions edited by Donald E. Osterbrock and Peter H. Raven. New Haven: Yale University Press, 1988. ix, 119p.: 24cm. Earth -- Origin -- Congresses Cosmology -- Congresses Osterbrock, Donald E. Raven, Peter H.