BS 1000 [79] : 1971 : UDC : recreation entertainment amusements pastimes
- 4th International ed
- London BSI 1971
- 28p.
- FID Pub. ; No. 179 .
BS 1000 [79] : 1971
025.45:79 /
BS 1000 [79] : 1971
025.45:79 /
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