7=24,22; 8=24,47; 11=26,30; 13=27,26; 14=28,19; 15=28,16; 16=28,15; 18=29,27; 19=29,38; 21=31,44; 22=32,7; 24=32,35; 25=32,52; 27=33,34; 28=33,51;30=35,7; 31=35,33; 32=35,47; 33=35,55; 34=35,56; 35=36,8; 36=36,35; 37=37,8; 39=39,3; 41=40,3; 43=40,34; 44=40,35; 45=41,20; 48=42,10; 49=42,18; 52=43,8; 54=44,24; 56=45,22; 57=45,25 von: Pennsylvania State College: Pennsylvania State College bulletin