00490nam a2200181Ia 450000500170000000800410001703500080005804100080006608200100007410000230008424500310010725000080013826000530014630000110019950500390021065000370024970000220028620260808125300.0260808s9999||||xx |||||||||||||| ||und||  a913  aENG  a25.52  aRussell, Harold G. 0aUse of books and libraries  a9th  aMinnoapolisbUniversity of Minnosota Pressc1958  av + 93  ageneral science, medicine, biology  aLibrary SciencebLibrary science  aShove, Raymond H.