00298nam a2200097Ia 4500008004100000245003700041245005000078260000900128650001200137856005100149171211s9999    xx            000 0 und d  aGenetically Engineered Organisms  cBeth Elpern Burrows and Deborah K. Letourneau  c2002  xBiology  uhttp://down.ebook777.com/061/9780849304392.pdf