00810pam a2200253 a 45000010008000000030006000080050017000140080041000310100017000720200015000890400018001040500022001220820012001441000028001562450132001842500012003162600043003283000034003715040053004056500015004586500028004737000023005017000032005244696059AUA.120121106165033.0820325s1982    caua     b    001 0 eng    a   82005072   a0716713764  aDLCcDLCdDLC00aQE 434b.W73 198200a5522191 aWilliams, Howel,d1898-10aPetrography :ban introduction to the study of rocks in thin sections /cHowel Williams, Francis J. Turner, Charles M. Gilbert.  a2nd ed.  aSan Francisco :bW.H. Freeman,cc1982.  axiv, 626 p. :bill. ;c24 cm.  aIncludes bibliographical references and indexes. 0aPetrology. 0aThin sections (Geology)1 aTurner, Francis J.1 aGilbert, Charles M.,d1910-