Matches in DBpedia 2015-10 for { ?s ?p "Space trade is interplanetary or interstellar trade. Futurists and pundits have been publishing plans and predictions about such trade since the 1960s. Science fiction writers have been envisioning such trade for much longer."@en }
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- Space_trade abstract "Space trade is interplanetary or interstellar trade. Futurists and pundits have been publishing plans and predictions about such trade since the 1960s. Science fiction writers have been envisioning such trade for much longer.".
- Space_trade comment "Space trade is interplanetary or interstellar trade. Futurists and pundits have been publishing plans and predictions about such trade since the 1960s. Science fiction writers have been envisioning such trade for much longer.".