00322    a2200109   4500020001500000082001600015100001800031245004000049260003900089300002300128650006100151  a0859343634  a786.74bPEN  aPenfold, R.A.  aPractical electronic music projects  aLondonbBernard babanic1994g1994  a[iv], 122p.c18cm.  aKeyboard mechanical electrophonic percussion instruments