Pynciau a Argymhellir
- Oceanography 24 canlyniadau
- Periodicals 7 canlyniadau
- Research 5 canlyniadau
- Marine sciences 4 canlyniadau
- Marine resources 3 canlyniadau
- Exchange of oceanographic information 2 canlyniadau
- Study and teaching (Higher) 2 canlyniadau
- Discoveries in geography 1 canlyniadau
- Ecology 1 canlyniadau
- Fisheries 1 canlyniadau
- Fishes 1 canlyniadau
- International Geophysical Year, 1957-1958 1 canlyniadau
- International cooperation 1 canlyniadau
- Marine biology 1 canlyniadau
- Marine pollution 1 canlyniadau
- Marine resources conservation 1 canlyniadau
- Maritime law 1 canlyniadau
- Observations 1 canlyniadau
- Ocean 1 canlyniadau
- Ocean engineering 1 canlyniadau
- Shipping 1 canlyniadau
- Tides 1 canlyniadau