Elvers, B., ed...[et.al.]
Ullmann's encyclopedias of industrial chemistry - vol. B 3 - 5th rev. ed. - Weinheim VCH Verlagsgesellschaft 1988 - variuos paging
vol. B 3 - Unit operations 2
3-527-20133-5
CHEMICAL ENGINEERING-ENCYCLOPEDIAS
66(03) / U4
Ullmann's encyclopedias of industrial chemistry - vol. B 3 - 5th rev. ed. - Weinheim VCH Verlagsgesellschaft 1988 - variuos paging
vol. B 3 - Unit operations 2
3-527-20133-5
CHEMICAL ENGINEERING-ENCYCLOPEDIAS
66(03) / U4