TY  - BOOK
AU  - Okubo Akira
TI  - Diffusion and ecological problems: mathematical models
T2  - Biomathematics; 10
U1  - G:5:(B), M0-;2 
PY  - 1980///
CY  - Berlin
PB  - Springer-Verlag         
KW  - Ecology
N1  - Bibliography 224-243p
ER  -