
1) Cross polar discrimination 2) Len Deighton thriller
Found on
https://www.crosswordclues.com/clue/xpd

XPD is a spy novel by Len Deighton, published in 1981, and set in 1979, roughly contemporaneous with the time it was written. It concerns a plan by a group of former SS officers to seize power in West Germany, in which they intend to publish some wartime documents about a (fictional) secret meeting between Winston Churchill and Adolf Hitler in Jun...
Found on
http://en.wikipedia.org/wiki/XPD

cross polar discrimination
Found on
http://www.encyclo.co.uk/visitor-contributions.php
No exact match found.