LEADER 00810nam0-22002411i-450- 001 990001155720403321 035 $a000115572 035 $aFED01000115572 035 $a(Aleph)000115572FED01 035 $a000115572 100 $a20000920d1953----km-y0itay50------ba 101 0 $aeng 200 1 $aAstronomical photoelectric photometry$eA Symposium presented on december 31,1951 at the Philadelphia Meeting Association for the Advancement of Science$fby Wood 210 $as.l.$cAmerican Association for the Advancement of Science$d1953 700 1$aWood,$bFrank Bradshaw$055239 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001155720403321 952 $a204-C-1a$b1989$fMA1 959 $aMA1 996 $aAstronomical photoelectric photometry$9346409 997 $aUNINA DB $aING01