Matches in DBpedia 2016-04 for { ?s ?p <https://books.google.com/books?id=1CoDAAAAMBAJ&pg=PA164&dq=popular+science+1930&hl=en&sa=X&ei=awL8TqCkMcfXgQfW7uTxCQ&ved=0CD8Q6AEwAzhu#v=onepage&q&f=true> }
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