TY  - BOOK
AU  - Hallam,A.(Anthony)
TI  - Patterns of evolution as illustrated by the fossil record /ed. A. Hallam
T2  - Developments in Paleontology and Stratigraphy
SN  - 0-444-41495-9
AV  - QE721 P38
PY  - 1977///
CY  - New York, E.U.A.
PB  - Elsevier Scientific
N1  - Incluye bibliografia
ER  -