This work grew out of a series of investigations begun by the authors in 1980 and 1981. Specifically the authors pursued two lines of inquiry. First, to advance the state of the theoretical lit-... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.