na INLIS000000000031962 20200729091837 0010-0720000021 ta 200729 g 0 ind 979-420-501-x 551.7 551.7 Tru g Truman Simanjuntak Gunung sewu in Prehistoric times - Yogyakarta : Gadjah mada University Press, sa 296hlm : Ilus ; 14x21cm - Geologi Historis B0008134