TY  - BOOK
AU  - Udvardy,Miklos D.F.
TI  - A classification of the biogeographical provinces of the world
T2  - IUCN. Occ. Paper
AV  - PAM QTO QH84.U3 
PY  - 1975///
CY  - Morges, Swit : 
PB  - International Union for Conservation of Nature and Natural Resources
KW  - Geographical distribution of animals and plants
KW  - Biogeography
ER  -