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BP270 Only vertical or horizontal lines vs. neither vertical nor horizontal lines.
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CROSSREFS

Adjacent-numbered pages:
BP265 BP266 BP267 BP268 BP269  *  BP271 BP272 BP273 BP274 BP275

CONCEPT or (info | search),
horizontal (info | search),
vertical (info | search)

WORLD

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AUTHOR

Merse E. Gáspár

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