00647     2200229   4500001002100000005001500021035002000036007000300056008004100059020000600100082000800106084001500114100003200129245007200161250000600233260003500239300003000274700003600304650002300340520003700363990001700400INLIS00000000000010720240912100541  a0010-0323000001ta240912                j          0 ind    a-  a525  a525  LAA b0 aLaabs Gerald ( Pengarang  )1 aBumi dan angkasa /cGerald Laabs ; editor , Willikoen ; Widyatamara  a-  aJakarta :bTira Pustaka,c1988  a87 :bilus. ;c30.5 cme-0 aJones, Ronald K ( Alih bahasa ) 4aBumi, Ensiklopedia  aDisadur dari : Mengapa? Mengapa?  a00045/R/1992