00354nam a2200109Ia 4500008004100000082001700041100002200058245003400080260005200114630003600166650004200202211118s9999||||xx |||||||||||||| ||und||  a576.5bWAL-R  aWalker, Matthew R 0aRoute Maps in Gene Technology  bBlackwell Scientific PublicationsaOxfordc1997  xGeneticsPost Graduate Reference  aLife SciencesvBiologyEvolutionBotany