Description
Published:Vol. 1-
Item Description:Separately classified in LC prior to vol. 15 (1988/1989).
Publication Frequency:Annual, <v. 15-v. 19>
Related Items:Vols. 1-<v. 11> were issued in parts each being a subseries with their own numbering. Beginning with vol. 15 (1988/1989) each issue includes several of the previous sections continuing their earlier numbering, e.g. Vol. 16 has: Sección Biología animal, 5; Sección Biología vegetal, 5; Sección Biología ambiental, 5; Sección Biología molecular y microbiana, 4 [sic].
Access:License restrictions may limit access.