TY  - BOOK
AU  - Pepper, Ian L., Gerba, Charles P.
TI  - Environmental Microbiology: 
SN  - 9780125506564
AV  - QR100.P46 
CY  - San Diego
KW  -  Air�Microbiology
KW  -  Microorganisms�Geographical distribution
KW  - Microbial ecology
KW  - Science
ER  -