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2001.
“Maize leaf development biases caused by air-apex temperature differences”
93: 767-772.
1991.
“The Long-Term Ecological Research programme of the United States – a guide for Northern Sciences Network ecological research”
: 69-73.
2001.
“Biologically active soil organic matter fractions in sustainable cropping systems”
16: 63-76.
1990.
“Local dispersal of the potato leafhopper Homoptera: Cicadellidae in response to alfalfa cutting”
1996.
“Rapid method for recovery of DNA from soils of diverse composition”
62: 316-322.
1995.
“Some metamorphic processes in the lake ice of the McMurdo Dry Valleys”
30: 307-309.
1998.
“Permanent Ice Covers of the McMurdo Dry Valley Lakes, Antarctica: Bubble Formation and Metamorphism”
72: 281-295.
1997.
“Uniform separation of concentric surface layers from soil aggregates”
61: 720-724.
2000.
“Species richness, species-area curves and Simpson's paradox”
2: 791-802.
1992.
“Diagnostic alleles from electrophoresis distinguish two noctuid pest species, Hydraecia immanis and H. micacea Lepidoptera: Noctuidae”
25: 91-98.
1995.
“Pollution and global change: plant ecotones, butterfly hybrid zones and changes in biodiversity”
: 319-344.
1995.
“Hybridization studies with North American swallowtails”
: 269-281.
1999.
“Characterizing soil microbial communities”
: 318-348.









