Incorporating the APS catalog of the POSS I and image archive in ADS [microform] : final report for NAS5-32670 / [principal investigator], Roberta M. Humphreys ([NASA contractor report] ; 206798)
Incorporating the APS catalog of the POSS I and image archive in ADS [microform] : final report for NAS5-32670 / [principal investigator], Roberta M. Humphreys
原資料の出版事項: [Washington, DC ; Springfield, Va. : National Aeronautics and Space Administration : National Technical Information Service, distributor, 1998]