00299nam a2200097Ia 4500008004100000040001100041245008400052260004100136300001300177300001100190251112s9999||||xx |||||||||||||| ||und|| aCNCLSA 0aProceedings of the National Academy Of Sciences of the United States of America c1984bA Hoeber-Harper BookaNew York aP. 1-391 bV. 118