TY  - BOOK
ED  - American Association of Professors in Sanitary Engineering
TI  - Applications of system analysis in sanitary engineering
AV  - TD5 A521969
PY  - 1969///
CY  - [Lugar de publicación no identificado
PB  - editor no identificado]
KW  - Ingenieria sanitaria
KW  - Congresos
ER  -