TY  - BOOK
AU  - Mayr, Ernest.
TI  - Biological materials
T2  - Publication
U1  - 579.8 
PY  - 0000///(s.a.)
CY  - Washington, Natl.
PB  - Acadamy of Sciences. Biology Council
KW  - Ciencias naturales
KW  - Catálogos y colecciones
N1  - Contenido: Pte. 1 Preserved materials and museum collections.-Pte. 2 Living materials and plant resources
ER  -