00348nam a22001217a 4500020001400000040000900014082001600023100001600039110001900055245005900074260003400133650005900167  a047107649  cNUST  a515.35bLOM  aDavid Lomen  aDavid Lovelock  aExploring Differential Equations via Graphics and Data  aNew York:bJohn Wiley,c1996.  2Exploring Differential Equations via Graphics and Data