00285nam a22001097a 4500003000400000008004100004082001700045100002300062245005600085260002600141300000800167OSt231124b        |||||||| |||| 00| 0 eng d  aP574.05bA23  aLawrence, John. H.  aAdvances in biological and medical physics - Vol.17  aNew YorkAA. P.c1980  a473