00346nam a2200109Ia 450000500170000000800410001702000150005808200140007310000210008724500970010826000310020520260205044229.0260111s9999||||xx |||||||||||||| ||und||  a0720708400  a030  B31P  aBarker, L. Mary. 0aPears cyclopaedia. 1975-76 : a book of background information and reference for everyday use  aLondonbPelham Booksc1975