00271nam a2200109Ia 4500008004100000020001400041040002900055050002200084100001200106245001400118260002900132230222s9999||||xx |||||||||||||| ||und||  a675059291  cChuka University Library  aQA 445 bG46 1990  aYUNKER  0aGEOMETRY   aMERRILLbCOLUMBUS c1990