00301pam a2200097a 44500008004100000041000800041100002900049245004600078260007100124300000800195230405s1998    xxu||||| |||| 00| 0 eng d  aENG  aBillstein Libeskind Loti  aA Problem Solving Approach to Mathematics  abA odison-Wesley :An imprint of Addison Wesley Longaman Incc1998  a916