TY  - BOOK
AU  - Kreig N.R
AU  -  Ludwig W Ed.
TI  - Bergey's manual of systematic bacteriology. V4
U1  - G:424:f3, Q1.4 
PY  - 2011///
CY  - New York  
PB  -  Springer      
KW  - Microbiology
ER  -