003870000a22001450004500020001500000060000800015082001600023100002100039100001900060245003200079260002800111260000900139300000800148650008500156  a3540502955  a100  a547.782 LIN  aDence, Carlton W  aLin, Stephen Y  aMethods in lignin chemistry  aBerlin, Springer Verlay  c1992  a568  aOrganic chemistry/ lignin/ wood/ ultraviolet microscopy/ pyrolysis/ spectrosocpy