TY - BOOK AU - Langley,Billy C.,1931- TI - Air conditioning and refrigeration troubleshooting handbook SN - 0135787416 PY - 2003/// CY - Upper Saddle River, N.J. PB - Prentice Hall KW - Air conditioning KW - Equipment and supplies KW - Maintenance and repair KW - Refrigeration and refrigerating machinery N1 - Includes index ER -