00423nam a22000977a 4500008004100000040005500041100002100096245014600117260005200263300001000315230728b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library1 aLefkovitz, David  aComputer programming for experimental chemical information and data systemc/ University of Pennsylvania Philadelphia, Pennsylvania June 1968  aWashington: bUS Department of Commerce, c1968  a308p.