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Spider and Carabid Beetle Activity-density and Diversity in a Forest-field Matrix and the Effects of Agricultural Disturbance and Cover Crop Type

其他書名	A Thesis Submitted in Partial Fulfillment ... Master of Science (Natural Resources and Environment) ...
出版	University of Michigan, 2004
URL	http://books.google.com.hk/books?id=JxM9i5di0hsC&hl=&source=gbs_api