000 004950000a22001690004500
245 _aUllmann's encyclopedia of industrial chemistry - vol. A 20
100 _aElvers, Barbar, ed...[et.al]
250 _a5th rev. ed.
260 _aWeinheim
_bVCH Verlagsgesellschaft
_c1992
300 _a758 p.
500 _avol A 20 - Photography to plastics, processing
020 _a3-527-20120-3
080 _a66(03)
_bU4
650 _aCHEMICAL ENGINEERING-ENCYCLOPEDIAS
041 _aEN
942 _cBK
999 _c66907
_d66907