TY  - BOOK
AU  - Gainey, Percy Leigh.
TI  - An introduction to the microbiology of water and sewage for engineering students
U1  - 628.16 
PY  - 1944/// (c 1939)
CY  - Minneapolis
PB  - Burgess
KW  - Agua
KW  - Análisis
KW  - Bacteriologia
KW  - Purificacion
ER  -