La estela de una vida, poemas líricos de Numa P. Llona.

"Numa P. Llona [biografia y juicios]": p. [i]-xxxvi.

Estela y bosquejos; poesias,

Mode of access: Internet.

A comparison and assessment of seasonal adjustment methods for employment and unemployment statistics /

Mode of access: Internet.

On the seasonal adjustment of economic time series aggregates : a case study of the unemployment rate /

Mode of access: Internet.