TY  - BOOK
AU  - Laporte,Leo F..
ED  - Scientific American                                                                                                                                                                                                                                            . 
TI  - The fossil record and evolution / 
SN  - 0716714027
U1  - 560 
PY  - 1961///
CY  - San Francisco : 
PB  - W H Freeman , 
KW  - PALEONTOLOGY
N1  - NULL
ER  -