TY  - ADVS
TI  - Acid rain: a North American challenge
PY  - 1988///
PB  - National Film Board of Canada
UR  - https://alvt.videotrust.org/cgi-bin/koha/opac-retrieve-file.pl?id=1c33d70a6d9c639f8815e8bf6e42449c
ER  -