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Films and Film Strips in Teaching. Nature 186, 360 (1960). https://doi.org/10.1038/186360a0
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DOI: https://doi.org/10.1038/186360a0
Nature volume 186, page 360 (1960)
Films and Film Strips in Teaching. Nature 186, 360 (1960). https://doi.org/10.1038/186360a0
Issue Date:
DOI: https://doi.org/10.1038/186360a0