| #521 | Physics and Chemistry of the Earth, Part A: Solid Earth and Geodesy. -- : Pergamon, 1999-2001. -- ISSN 1464-1895 print. -- ISSN 1873-4642 online |
| #522 | Physics and Chemistry of the Earth, Part C: Solar, Terrestrial & Planetary Science. -- : Pergamon, 1999-2001. -- ISSN 1464-1917 print. -- ISSN 1873-4685 online |
| #523 | Physics and Chemistry of the Earth, Part B: Hydrology, Oceans and Atmosphere. -- : Pergamon. -- ISSN 1464-1909 |
| #524 | Physics and Chemistry of the Earth, Parts A/B/C. -- : Pergamon. -- ISSN 1474-7065 |
| #525 | Physics letters, B. -- Amsterdam : Elsevier, 1967-. -- ISSN 0370-2693 |
| #526 | Physics reports. -- Amsterdam : Elsevier, 1971-. -- ISSN 0370-1573 print. -- ISSN 1873-6270 online |
| #527 | Physiology and molecular biology of plants. -- Lucknow : Department of Environmental Sciences, 1994-. -- ISSN 0971-5894 print. -- ISSN 0974-0430 online |
| #528 | Phytopathology. -- St. Paul : American Phytopathological Society, 1911-. -- ISSN 0031-949X print. -- ISSN 1943-7684 online |
| #529 | Polish Journal of Natural Sciences. -- Olsztyn : University of Warmia and Mazury, 2002-. -- ISSN 1643-9953 |
| #530 | Polish Journal of Natural Sciences, Supplement. -- Olsztyn : Uniwersytet Warmińsko-Mazurski w Olsztynie, 2003-. -- ISSN 1731-3147 |