P. M. B. Walker

• Cambridge dictionary of biology
• Cambridge Dictionary of Biology
• Cambridge air and space dictionary
• Cambridge dictionary of science and technology
• Chambers biology dictionary
• Chambers earth sciences dictionary
• Chambers materials science and technology dictionary
• Chambers nuclear energy and radiation dictionary
• Chambers science and technology dictionary
• Larousse dictionary of science and technology
• Chambers biology dictionary
• Langwen -- Qing hua Ying Han shuang jie ke ji da ci dian =