00826nas a22002654a 4500001000800000003001100008005001700019008004100036040002600077041000800103044000800111098001200119245002500131260004000156300002300196310001000219362003600229655002000265710010400285866001400389942001200403945002800415999001700443952010000460GMR-653AR-SsjUBGM20251222151458.0251021k19521964xxkar g 000 0 eng d bspacAR-SsjUBGMeaacr aeng axxk aIn-315200aSummary of Progress. aLondon :bGeological Survey,c1952- av. :bil. ;c24 cm aAnual1 aEn biblioteca años 1952-1964. 4aMemorias9523781 aGran Bretaña.bDepartment of Scientific and Industrial Research. Geological Surveyeeditor952796 0a1952-1964 cCR2udc aIDGYM_PUPERd2025-09-24 c35065d35065 00104070aGMbGMd2026-05-16h1952-1964l0oIn-3152pAUTO-GM-35065-1r2026-05-16 00:00:00yCR