Videorecordings 7.5E1
Rule
7.5E1
Revise examples to read:
1 film cassette (21 min.) : sound, colour ; standard 8 mm + 1 teacher’s guide
or 1 film cassette (21 min.) : sound, colour ; standard 8 mm + 1 volume (28 pages : illustrations, 22 cm)
2 film cassettes (30 min. each) : sound, colour ; standard 8 mm + 1 volume (35 pages ; 24 cm)