00346nam a2200109   4500008004100000041000800041082001500049100002200064245008900086260004200175300001900217170315b        xxu||||| |||| 00| 0 eng d  aEng  a658.8bMOO  aMoore, Geoffrey A  aCrossing the Chasm :Marketing and Selling Tchnology Products to Mainstream Customers  aAmerica:bLibrary of Congress,c1991.  a223 p.;c24 cm