TY  - BOOK
AU  - Kuzmin, Victor I.
AU  - Zhirmunsky, Alexey V.
TI  - Critical levels in the development of natural systems
SN  - 3540184090
U1  - 578.011 21st ed.
PY  - 1988///
CY  - Berlin
PB  - Springer-Verlag
KW  - Biological systems
ER  -