00255nam a2200109 a 450000500170000002000150001708200210003210000210005324500160007426000340009030000210012420251203090954.0  a0070991715  a001.6424C,schb_  aSchildt, Herbert  aC made easy  aCalifornia: McGraw-Hillc1988  ax, 292p.c22 cm.