00273nam a2200097Ia 4500008004100000022001400041040001100055245003500066260006400101300001000165251112s9999||||xx |||||||||||||| ||und||  a0011-3409  aCNCLSA 0aCurrent Contents Life Sciences  cJune 2, 1997bInstitute for Scientific InformationaU. S. A  bV. 40