00377pam a2200145a 44500008004100000020000900041041001200050082000800062100003500070245007500105250000900180260002200189300001100211650000900222230515b1992    xxu||||| |||| 00| 0 eng d  aNULL  aENGLISH  aALB  aALBRIGHT L.F. AND CRYNES B.LS.  aNOVEL PRODUCTION METHODS FOR ETHYLENE LIGHT HYDROCARBONS AND AROMATICS  aNULL  aNULLbDEKKEc1992  a539 HB  aNULL