000			00497nam a2200205Ia 4500
008			230524s9999 xx 000 0 und d
040			_cUDSM
050			_aTA646.G7
100			_aGregory, Malcolm S.
245		3	_aAn introduction to extremum principles
260			_aLondon
260			_bButterworths
260			_c1969
300			_axiv,196p.
300			_c23cm.
650			_aStructures, Theory of
700			_aill.
942			_2Library of Congress Classification
942			_cBook
999			_c31220 _d31220