00376naa a2200133 a 450000100080000000500110000800800410001910000180006024500410007826000090011970000200012870000150014877300790016318295842010-01-10       1978    bl ---       0--  u    #d1 aDEXTER, A. R.  aEdge effects on soil engaging tools.  c19781 aSTAFFORD, J. V.1 aTANNER, W.  tJournal of Agricultural Engineering Researchgv. 23, n. 1, p. 59-66, 1978.