Gaya APA

Bierwith, C., Meisel, F. (2015). A follow-up survey of berth allocation and quay crane scheduling problems in container terminals . Germany: Elsevier.

Gaya MLA

Bierwith, Cristian., Meisel, Frank. "A follow-up survey of berth allocation and quay crane scheduling problems in container terminals". Germany: Elsevier, 2015. Article.