TY - BOOK ED - United States. TI - NASA's next four large telescopes: hearing before the Subcommittee on Space, Committee on Science, Space, and Technology, House of Representatives, One Hundred Fifteenth Congress, first session, December 6, 2017 AV - KF27 .S3995 2017i PY - 2018/// CY - Washington PB - U.S. Government Publishing Office KW - United States KW - National Aeronautics and Space Administration KW - Telescopes KW - Technological innovations KW - Legislative hearings KW - lcgft N1 - "Serial no. 115-41."; CRDP Program record; Includes bibliographical references UR - https://purl.fdlp.gov/GPO/gpo93529 ER -