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Abstract
Multi-mediaThe fight for food A pack consisting of a 15-page A4 size booklet, fully illustrated, 54 plastic mounted 35 mm slides, and a 15-minute commentary on a cassette tape. Commentary available with audible change signal or with an inaudible signal for automatic machines. Price £10.00. Additional copies of booklet free up to 10 copies and then 20p per copy. A vailable from British Agrochemicals Association, Alembic House, 93 Albert Embankment, London SE1 7TU;John A. Barker
Tape/Slide A new look at the structure of living cells A discussion between Dr H. Hillman and Dr R. Gliddon about interpreting electron photomicrographs of cell structure. A set of 20 black-and-white slides, mounted in card in a plastic box, with an accompanying commentary on pipped tape, all in a presentation pack. A supplementary booklet of commentary and suggestions is included. Price £11.25. Ref. B1A021. Produced by Richard Gliddon. Available from Audio Learning Ltd, Sarda House, 183–189 Queensway, London W2 5HL;P. Burdett