00277nam a2200085Ia 4500008004100000040003800041100002300079245005200102260003700154211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aCattell, Jaques.ed 0aAmericanmen of science: Vol-1 Physical sciences  bR. R. Bowker Co.aNew Yorkc1955