000			00328nam a2200133Ia 4500
005			20260205041231.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a371.29 D29E
100			_aDAVIS HELEN MILES,ED
245		0	_aEXHIBIT TECHNIQUES
260			_aWASHINGTON _bSCIENCE SERVICEE _c1951
300			_a112
942			_cBK
999			_c19707 _d19707