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  1. By: United States. Department of Agriculture. Radio Service.
    Publication info: [Washington, D.C.], United States Department of Agriculture, Office of Information, Radio Service, 1937
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Control  Mites  Pests  Trombiculidae  
  2. By: Audy, J. Ralph. - Macdonald, W. W. - Institute for Medical Research (Malaysia)
    Publication info: Kuala Lumpur, [Institute for Medical Research], 1954-1960
    Holding Institution: NIH Library
    Subjects: Malay Peninsula  Malaysia  Parasites  Trombiculidae