00317nam a2200121Ia 4500008004100000022001400041040001100055100002000066245001200086260007500098300001200173300001000185251112s9999||||xx |||||||||||||| ||und||  a0036-8075  aCNCLSA  aRita R. Colwell 0aScience  c1997bThe American Association For The Advancement ScienceaWashington  aP.1-720  bV.275