TY  - BOOK
T1  - Two Silicified Carboniferous Trilobites from West Texas
T2  - Smithsonian Miscellaneous Colections ;
A1  - Whittington, Harry B.
PP  - Washington, D.C
PB  - Smithsonian Institution
YR  - 1954
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.166666
OP  - 16
ER  -