Physiography and pyrite formation in Berbak, Sumatra, Indonesia text Arnhem Research Institute for Nature Management 1984 Ind 34 p. : ill. ; 29 cm. 34 p. : ill. ; 29 cm. DIEMONT, W.H. PYRITE PHYSIOGRAPHY GEOMORPHOLOGY SUMATRA 551.4(921) 551.4(921)DIEp INLIS000000000013266 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)