00289nam a2200109Ia 450000500170000000800410001708200140005810000230007224500300009526000460012530000080017120260225051017.0260224s9999||||xx |||||||||||||| ||und||  a575.1 HAR  aPhilip E. Hartman  0aGene action  2nd edition   aNew Jersey: Engliwood Cliffs, Inc. c1969  a260