59323744
9781688956995
Publishing, Engineering Humor is the author of 'Hexagonal Graph Paper Notebook: Science, Organic Chemistry and Biochemistry Hexagon Grid for Laboratory Structures : 1/4 Hex Style Chem Composition Notebooks for Drawing Carbon Chains on Honeycomb Grids', published 2019 under ISBN 9781688956995 and ISBN 1688956999.
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