Che i chʻa ogaenyŏn kyehoek kigan chung susong suyo sangjŏng kwa susong aero ŭi tʻagaechʻaek e kwanhan yŏnʼgu
Publisher: Hanʼguk Kyŏngje Kaebal Hyŏphoe
Published: 1968
Place of publication: [Sŏul]
Language: kor
Number of pages: 351
Subjects: Transportation