{"id":"001001548","type":"book","title":"Side scan sonars and sub bottom profilers in underwater archaeology (some aspects of their application)","publisher-place":"Sofia","pages":"471-476","container-title":"Thracia pontica. 4. Sozopol. 6-12 octobre 1988","author":[{"family":"Nenov","given":"Nicolai"}],"issued":{"raw":"1991"}}