Aluminum wiring: is it really a problem?
With proper knowledge, it is a manageable situation. By Michael D. Coyle, P.E.

Aluminum Wiring
Between 1965 to 1972, approximately 2½ million homes were constructed with aluminum wiring. From Accurate Home Inspection.

Aluminum Wiring
From the Electrical Wiring FAQ.

Aluminum Wiring in Residential Properties
Hazards and remedies, from American Micro Publish.

CPSC Safety Recommendations For Aluminum Wiring In Homes
Precautionary steps, June 1974.