00441nam a22001337a 4500008004100000040005500041080001600096245007400112260005400186300001000240650001900250653001800269700002000287230523b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aR 030.1bK8  aBritannica: bBook of the year 1968c/ Encyclopeadia Britannica, Inc.  aChicago: bEncyclopeadia Britannica, Inc., c1968  a832p.  aReference work  aEncyclopeadia  aDell, W R (Ed.)