00340nam a2200133Ia 450000500170000008000190001710000220003624500560005826000290011430000150014358300180015894200130017699900170018920260716043850.0  a11.02.02 D3723  aDemas, William G.  aTen challenges of the nineteen-eighties : statement  bCDBaSt. MichaelBBc1980  a[1], 26 p.  c1/15/08kJOYD  cMmD3723  c55710d55710