00340nam a2200121Ia 4500008004100000082001600041100002400057245004600081260003800127300000800165650002900173653001600202170901s1970    xx            000 0 und d  a770.1bM56I  aMertens E. Lawrence 0aIn Water PhotographybTheory and Practice  aNew YorkbWily Intersciencec1970  a391  aFine and Decorative Arts  aPhotography