KnowBR: An application to map the geographical variation of survey effort and identify well-surveyed areas from biodiversity databases

1. Lobo, J.M.
2. Hortal, J.
3. Yela, J.L.
4. Millán, A.
5. Sánchez-Fernández, D.
6. García-Roselló, E.
7. González-Dacosta, J.
8. Heine, J.
9. González-Vilas, L.
10. Guisande, C.