00346nam a2200121Ia 4500008004100000082003400041100002800075245002900103260002700132300001500159600003200174650001800206140224s9999    xx            000 0 und d  a578.085.23:575.82(082.2) M2.3  aWilliamson, Robert, ed.  aGenetic engineering v.3/  aLondonbAcademicc1982  aviii,173p.  aEdited by Robert Williamson  aBiotechnology