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Values and Cost Allocations of Surface Water Use a...
作者
Richard A. Andrews / Richard R. Weyrick
出版1972
ISBN
UIUC:30112027492377
主題
Water quality management
The Effect of Rate of Nitrogen Fertilization, Geog...
作者
Bennett Bert Foster / Clifton C. Cloud / David H. Harrington / Edwin Tighe Bardwell / Harold Clayton Grinnell / Oliver Pagan Wallace / David A. Storey / Richard A. Andrews / Richard D. Hopkins / Richard R. Weyrick / George E. Frick / Robert Lawrence Christensen
出版1967
ISBN
UIUC:30112001704656
主題
Agriculture
The Impact of Public Efforts in Forestry Financial...
作者
Richard Russell Weyrick
出版1968
ISBN
MINN:31951D00381783V
主題
Forest management
A Modified General Simplex Method for Solving Line...
作者
Bennett Bert Foster / Richard R. Weyrick
出版1968
ISBN
OCLC:11415163
主題
Linear programming
The Effect of Rate of Nitrogen Fertilization, Geog...
作者
Bennett Bert Foster / Clifton C. Cloud / David H. Harrington / Edwin Tighe Bardwell / Harold Clayton Grinnell / Oliver Pagan Wallace / David A. Storey / Richard A. Andrews / Richard D. Hopkins / Richard R. Weyrick / George E. Frick / Robert Lawrence Christensen
出版1967
ISBN
UIUC:30112001704656
主題
Agriculture
Values and Cost Allocations of Surface Water Use a...
作者
Richard A. Andrews / Richard R. Weyrick
出版1972
ISBN
UIUC:30112027492377
主題
Water quality management
Values and Cost Allocations of Surface Water Use a...
作者
Gail M. Leighton / James P. Barrett / Pilgrim S. A. L. (Sidney A. L.) / Richard A. Andrews / G. R. Crombie / Leland J. Goldsmith / Richard R. Weyrick / Robert D. Harter
出版1973
ISBN
OCLC:11210190
主題
Forest soils
White Pine Management with Prescribed Fire
作者
David P. Olson / Richard R. Weyrick
出版1987
ISBN
MINN:31951D01424210C
主題
White pine
Southeastern Minnesota Logger Attitudes and Operat...
作者
Richard R. Weyrick / Frank D. Irving
出版1963
ISBN
OCLC:48744172