Environmental health planning guide.

Sonraí bibleagrafaíochta
Údar corparáideach:	United States. Public Health Service. Division of Environmental Engineering and Food Protection
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	[Washington, D. C. s.n. 1967].
Sraith:	Its publication no. 823
Ábhair:	Sanitation.