Сабирач (електроника) — разлика између измена

* {{Cite book |ref= harv|title = Excel HSC Software Design and Development'| author = Geoffrey A. Lancaster | publisher = Pascal Press| year = 2004| isbn = 9781741251753 | page = 180| url = http://books.google.com/books?id=PZkDpS4m0fMC&pg=PA180|ref=harv}}