000			00316nam a2200121 a 4500
005			20141022142000.0
008			100828s19uu xx 00 eng d
050			_aVHS _bUN2 2002
245			_aUnderstanding by design : _bRefining unit design.
650			_aVHS EDUC
650			_aRefining unit design
942			_cAVM
999			_c276240 _d276240