_:vb2321017 . _:vb2321017 "During the period from 5th January 1978 to 13th February 1978 BGR acquired seismic lines in the Southern Ocean, in the Weddell Sea, in the Lazarev Sea and the Riiser-Larsen Sea along the eastern antarctic continental margin. The lines BGR78-04 and BGR78-17 consist of raw data. The lines BGR78-01, BGR78-02, BGR78-03, BGR78-05, BGR78-06, BGR78-07, BGR78-08, BGR78-09, BGR78-10, BGR78-11, BGR78-12, BGR78-13, BGR78-14, BGR78-16, BGR78-18, BGR78-19, BGR78-20, BGR78-20A, BGR78-21, BGR78-22, BGR78-22A and BGR78-23 are stacked data."@de .