. . "Popper, Daniel M." . _:b7iddOtlocdOtgovauthoritiesnamesn89633741 . _:b7iddOtlocdOtgovauthoritiesnamesn89633741 _:b8iddOtlocdOtgovauthoritiesnamesn89633741 . _:b7iddOtlocdOtgovauthoritiesnamesn89633741 . _:b8iddOtlocdOtgovauthoritiesnamesn89633741 . _:b8iddOtlocdOtgovauthoritiesnamesn89633741 "Popper, Daniel M." . "10010$aPopper, Daniel M." . . . . . . . . . . . "Popper, Daniel M." . . . "Close binary stars" . . "n 89633741" . _:b32iddOtlocdOtgovauthoritiesnamesn89633741 . _:b32iddOtlocdOtgovauthoritiesnamesn89633741 . _:b32iddOtlocdOtgovauthoritiesnamesn89633741 "nuc88-34380: International Astronomical Union. Symposium (111th : 1984 : Como, Italy). I.A.U. Symposium ... 1984" . _:b32iddOtlocdOtgovauthoritiesnamesn89633741 "(hdg. on WU rept.: Popper, Daniel M.; usage: Daniel M. Popper)" . _:b32iddOtlocdOtgovauthoritiesnamesn89633741 "found" . _:b40iddOtlocdOtgovauthoritiesnamesn89633741 . _:b40iddOtlocdOtgovauthoritiesnamesn89633741 . _:b40iddOtlocdOtgovauthoritiesnamesn89633741 "LC data base, 6/9/89" . _:b40iddOtlocdOtgovauthoritiesnamesn89633741 "(hdg.: Popper, Daniel M.)" . _:b40iddOtlocdOtgovauthoritiesnamesn89633741 "found" . _:b48iddOtlocdOtgovauthoritiesnamesn89633741 . _:b48iddOtlocdOtgovauthoritiesnamesn89633741 . _:b48iddOtlocdOtgovauthoritiesnamesn89633741 "1989-06-09T00:00:00"^^ . _:b48iddOtlocdOtgovauthoritiesnamesn89633741 "new"^^ . _:b48iddOtlocdOtgovauthoritiesnamesn89633741 .