00314nam a22000977a 4500008004100000040005500041080001600096245005500112260000900167500004000176240911b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a55(063)bK1  aPenerbitanc/ Madjelis  Ilmu Pengetahuan Indonesia  c1961  a2. Laporan pertemuan ilmiah geologi