Biotic Changes:
Global Bio-Events
. A Critical Approach. Otto H. Walliser. Ed. Springer-Verlag, New York, 1986. x, 442 pp., illus. Paper, $38.50. Lecture Notes in Earth Sciences, 8. From a meeting, Göttingen, F.R.G., May 1986.
1988 ◽
Vol 239
(4840)
◽
pp. 658-659