It gives the DOI as 10.25172/jalc.9.1.12 and identifies the publication type as a journal article.
The protection of aviation from inequitable taxation
Hainer Hinshaw
Journal of Air Law and Commerce · 1938
DOI 10.25172/jalc.9.1.12
Hainer Hinshaw, “The Protection of Aviation from Inequitable Taxation”, Journal of Air Law and Commerce, 1938-01-01, 10.25172/jalc.9.1.12. https://doi.org/10.25172/jalc.9.1.12