Text this: Calculation of the response of unshielded distribution lines to direct lightning strikes Part I. Multiconductor travelling wave analysis

   _____     ___     _____       ___      _____   
  / ___//   / _ \\  |  __ \\    / _ \\   /  ___|| 
  \___ \\  | / \ || | |  \ ||  | / \ || | // __   
  /    //  | \_/ || | |__/ ||  | \_/ || | \\_\ || 
 /____//    \___//  |_____//    \___//   \____//  
`-----`     `---`    -----`     `---`     `---`