000			00354nam a2200133Ia 4500
005			20260225051009.0
008			260224s9999||||xx |||||||||||||| ||und||
082			_a592 SHR
100			_aRobert R. Shrock
245		0	_aPrinciples of inverteberate paleontology 2nd ed.
260			_aNew York: McGraw-Hill Book Co. _c1953
300			_a816
942			_cBBS
999			_c10947 _d10947