The estimation of average side slope by space vectors /
by R.H. Perkins and S.K. Suddarth.

APA Citation

Perkins, R. Henry., Suddarth, S. K. (1970). The estimation of average side slope by space vectors. Lafayette, Ind.: Purdue University Agricultural Experiment Station.

MLA Citation

Perkins, Robert Henry, 1921-, and Stanley K Suddarth. The Estimation of Average Side Slope by Space Vectors. Lafayette, Ind.: Purdue University Agricultural Experiment Station, 1970.

Warning: These citations may not always be complete (especially for serials).