00361nam a2200145Ia 4500003000500000008004100005020000900046040000900055041001200064082002000076100002100096245005400117260002800171650001600199NDCL180829s9999||||ii |||||||||||||| ||eng||  a8273  aNDCL  aEnglish  a535 LR216th ed  aLonghurst, R. S. 0aGeomatrical and physical opticescR. S. Longhurst  c1999bOrieant Longhurst  aMathematics