00326nam a2200109Ia 450000500170000000800410001708200140005810000210007224500650009326000500015830000080020820260224040820.0260224s9999||||xx |||||||||||||| ||und||  a575.1 PRI  aPritchard, R.H.  0aBasic cloning techniques: a manual of experimental procedure  aOxford: Blackwell Scientific Publishersc1985  a193