Publicacion extra.

Composed of reprints from various scientific publications and monographs on scientific subjects, with title stamped on covers or title pages of individual numbers.

Bibliographic Details

Corporate Author:	Museo Argentino de Ciencias Naturales "Bernardino Rivadavia."
Format:	Journal
Language:	Spanish
Published:	Buenos Aires [etc.] [publisher not identified] ;
Subjects:	Science > Societies, etc. Natural history > Societies, etc.