00470nam a22001697a 4500003000400000008004100004020001500045082001700060100002600077245006500103260005700168300001100225650001900236650001800255650001300273650001400286OSt220716b        |||||||| |||| 00| 0 eng d  a0070608423  a575.1 bS68S  aStansfield, William D  aTheory and problems of genetics / cby William D. Stansfield  a.- New York: b: McGraw-Hill Book Company, c, 1969.  a281 p.  aPure Sciences   aLife Sciences  aGenetics  aBook Bank