Removed non-applicable abstract field

Biblio.bib

@@ -47,7 +47,6 @@ @book{ASICSmithMJS
  title = {{Application-Specific Integrated Circuits}},
  author = "Smith, Michael John Sebastian",
  publisher = "Addison-Wesley",
- abstract="
  year = "1997",
  ISBN = "0201500221",
  note = "Available here: \url{https://www.slideshare.net/nhKhanhNguyn/michael-john-sebastian-smith-applicationspecific-integrated-circuitsaddisonwesley-professional-1997-1}, which is not able to be archived by the Wayback Machine, but is available here: \url{https://drive.google.com/open?id=0B6erNjejWCBwbTc1RmFLV1BlZlE}. A preview is also available at \url{https://www.amazon.com/Application-Specific-Integrated-Circuits-Michael-Smith/dp/0321602757}, with the archive: