TY  - BOOK
AU  - Ehlers,Victor Marcus
AU  - Steel,E.W.
AU  - Bustamante,Miguel E.
TI  - Saneamiento urbano y rural,
AV  - RA425 .R515
U1  - 614 
PY  - 1948/// [i.e. 1947]
CY  - México
PB  - Editorial Interamericana; distribuidores, University Society
KW  - Sanitation
KW  - Sanitary engineering
KW  - Public health
KW  - Rural health
N1  - Includes bibliographies
ER  -