00289nam a2200097Ia 4500008004100000040002500041082001600066100002200082245007800104260000900182230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a025.524 B48  aBiggar, Virginia  4aThe St. Martins pocket guide to library research and documenting sources   c1991