Tree-Ring Skeleton Plotting by Computer

by Cropper, John Philip
Published 1979

Multicollinearity within Selected Western North American Temperature and Precipitation Data Sets

by Cropper, John Philip
Published 1984

TREE-RING RESPONSE FUNCTIONS. AN EVALUATION BY MEANS OF SIMULATIONS (DENDROCHRONOLOGY RIDGE REGRESSION, MULTICOLLINEARITY).

by CROPPER, JOHN PHILIP.
Published 1985

Density of Tree-Ring Grids in Western North America

by Cropper, John Philip, Fritts, Harold C.
Published 1982