LEADER 00724nam0-22002891i-450- 001 990000347760403321 005 20001010 035 $a000034776 035 $aFED01000034776 035 $a(Aleph)000034776FED01 035 $a000034776 100 $a20001010d--------km-y0itay50------ba 101 0 $aita 105 $ay-------001yy 200 1 $aCoal science$fD.W. Van Krevelen, Y. Schieger. 210 $as.l.$cs.e.$d1957 676 $a662 700 1$aKrevelen,$bD.W. Van$02050 702 1$aScheiger,$bY. 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990000347760403321 952 $a04 105-22$bCI$fDINCH 959 $aDINCH 996 $aCoal science$9107215 997 $aUNINA DB $aING01