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Description: |
iii, 32 pages illustrations 24 cm. |
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Additional Physical Forms: |
Online version: Sanford, Francis Bruce, 1907- Heading-introduction technique. Washington, U.S. Dept. of the Interior, Bureau of Commercial Fisheries; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1968 (OCoLC)744490465 |