3-letter ISO country codes, lower-case, reflecting the place(s) of publication recorded
in 260 $a.
See CODES for UNBIS country codes in field 049.
If more than one place of publication is recorded in 260 $a subfields, then the
country codes are recorded in 049 in a continuous string, in the same
order in which they are recorded in 260 $a.
The first country code recorded in 049 should be the same as that recorded
Additional 049 country codes are added for other places of publication identified in
field 500 notes.
049 $a che
260 $a Geneva
049 $a usache
260 $a New York ; $a Geneva
049 $a gbrkenjpn
260 $a London ; $a Nairobi
500 $a Japanese ed. published: Tokyo : Haro Shobo, 2000