TY  - JOUR
A1  - ICZN
JO  - Smithsonian Miscellaneous Collections
IS  - 1
SP  - 19
EP  - 22
C1  - 73(1): 19-22
TI  - Opinion 72 Herrera's zoological formulae
UR  - https://zenodo.org/records/16120772/files/bhlpart388603.pdf
VL  - 73
PY  - 1922
Y2  - 2026-10-10
ER  -