Environmental technology letters.
[S.l.] ; [s.n.],
1980-1989.
Title from cover.
Electronics and communications abstracts journal (Riverdale)
ISMEC bulletin
Pollution abstracts with indexes
Safety science abstracts journal
Life sciences collection
Excerpta medica
Coal abstracts
Energy information abstracts
Environment abstracts
Biological abstracts
Metals abstracts
World aluminum abstracts
Chemical abstracts
Energy research abstracts
Environmental engineering
Environmental protection
Environmental technology