@article {Pogust:1969:2161-6027:43, title = "Scanning Beam Landing Systems for VTOL Aircraft", journal = "Journal of the American Helicopter Society", parent_itemid = "infobike://ahs/jahs", publishercode ="ahs", year = "1969", volume = "14", number = "4", publication date ="1969-10-01T00:00:00", pages = "43-47", itemtype = "ARTICLE", issn = "2161-6027", url = "https://www.ingentaconnect.com/content/ahs/jahs/1969/00000014/00000004/art00006", doi = "doi:10.4050/JAHS.14.43", author = "Pogust, Frederick B.", abstract = "", }