00301nam a2200121Ia 4500008004100000040001600041041001200057082001300069100001400082245002700096260004500123300001100168230917s9999||||xx |||||||||||||| ||und||  e22059aMAIN  aEnglish  a509 S61S  aSnow, C P 0aScience and government  aCambridge Harvard University Pressc1962  a128 p.