TY  - BOOK
AU  - Shishkin, B. K.,
TI  - Flora of the U.S.S.R. Vol 22
SN  - 8121100909
U1  - 581 
PY  - 1994///
CY  - Dehradun
PB  - Bishen Singh Mahendra Pal Singh
KW  - Specific topics in natural history
ER  -