Subject
Library and Information Sciences,Computer Science Applications,Process Chemistry and Technology,Energy Engineering and Power Technology,Fuel Technology,Renewable Energy, Sustainability and the Environment,Bioengineering
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1. A succinct history of the Patent Information Users Group;Lambert;World Patent Information,1991
2. The Patent Documentation Group (PDG);Ochsenbein;World Patent Information,1987
3. OLPI: A new organisation and its purposes;Suhr,1988
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