List of Index: publisher
- Pleiades Publishing (16)
- Pleiades Publishing, Ltd. (3)
- Plenum (1)
- Plenum Press (1)
- Plenum Publishing Corporation (3)
- PLOS (1)
- Pluto Journals (1)
- Pluto Press (1)
- PMA Finland and NORDNET (1)
- Pohjoismainen Kulttuuripiste (1)
- POHTO - The Institute for Management and Technological Training (1)
- Policy Press (2)
- Poliitikauuringute Keskus Praxis (5)
- Poliitiline Kirjandus (2)
- Polis (1)
- Polish Academy of Sciences (15)
- Polish Academy of Sciences, Committee of Electronics and Telecommunications (2)
- Polish Geological Institute (6)
- Polish Geological Institute; National Research Institute (2)
- Polish Geological Society (3)
- Polish Scientific Publishers (2)
- Politechnika Gdanska (1)
- Politechnika Krakowska (2)
- Politechnika Slaska (1)
- Politechnika Warszawska (2)
Number of records 6173, displaying
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