The AA epidemiological cable code =
The AA epidemiological cable code = Code épidémiologique télégraphique AA.
= Code épidémiologique télégraphique AA
- 3rd ed.
- New York : United Nations, [1957?].
- 135 p. (ill., tables)
Together with the "Supplement to the AA epidemiological cable code (Third edition)".
eng fre.
Epidemiology.
Information systems.
Z 699
Together with the "Supplement to the AA epidemiological cable code (Third edition)".
eng fre.
Epidemiology.
Information systems.
Z 699