Closed-circuit television single-handed.
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
London,
Pitman,
1972.
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| Subjects: |
| Physical Description: | viii, 143 p. illus., forms., plans. 22 cm. |
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| Bibliography: | Bibliography: [140] |
| ISBN: | 0273439308 |