Environmental science :
Enger, Eldon D.
Environmental science : a study of interrelationships Eldon, D. Enger - 4th edition - Michigan : Wm. C. Brown Publishers, 1983. - xiv, 514p. ill. ; 24 cm.
0697139247 069709880x
Public health
Sanitation and environmental comfort
Interrelatedness Environmental ethics Ecological principles and their application Interactions : environment and organisms
614.7
Environmental science : a study of interrelationships Eldon, D. Enger - 4th edition - Michigan : Wm. C. Brown Publishers, 1983. - xiv, 514p. ill. ; 24 cm.
0697139247 069709880x
Public health
Sanitation and environmental comfort
Interrelatedness Environmental ethics Ecological principles and their application Interactions : environment and organisms
614.7