Footnote bi

^biSee Pérez et al. 1995; Pérez et al. 2001.

Pérez, F.F., A.F. Ríos, B.B. King and R.T. Pollard. 1995. Decadal change of the θ−S relationship of the Eastern North Atlantic Central Water, Deep-Sea Res. I, 42(11/12):1849-1864.

Pérez F.F., A.F. Ríos, T. Rellán, M. Álvarez. 2001. Improvements in a fast potentiometric seawater alkalinity determination. Ciencias Marinas 26:463-478.