TY  - BOOK
AU  - Block, Bartley C
TI  - Man microbes and matter
SN  - 0-07-005913-6
U1  - 612 B62M 
PY  - 1975///
CY  - New York
PB  - : Mc Graw Hill Book Com., 
KW  -  Medical science
KW  - | Human physiology
KW  - | Environmental health popular works
KW  - | Medicine - Popular works
KW  - | Microbiology - Popular works
ER  -