00268nam a2200109Ia 4500003000400000008004100004040000800045100001600053245005100069260002500120300001300145LDD181029s9999    xx            000 0 und d  cLDD  aLay, Mary M 0aStrategies for technical writing .cMary M Lay  aNew YorkbHoltc1982  axv,308p.