Successful treaty

Eitemau Tebyg

• Principles of refrigeration.
  gan: Dossat, Roy J.
  Cyhoeddwyd: (1961)
• Refrigeration and air conditioning
  gan: Langley, Billy C
  Cyhoeddwyd: (1978)
• Refrigeration and air conditioning /
  gan: Thipse, S. S.
  Cyhoeddwyd: (2007)
• Technology Through The Ages: Part X
  gan: Radhakrishnan P
• Facilities and plant engineering handbook
  gan: Lewis, B T
  Cyhoeddwyd: (1973)