TY  - BOOK
AU  - Moore, Raymond. C.
TI  - Treatise on invertebrate paleontology: Part R: Arthropda 4 : Voolue V2
U1  - 565.2 
PY  - 1969///
CY  - America
PB  - The Geological society of America 
KW  - Morphology
ER  -