Thin prisms as angle gauges in forest inventory
Miller, C.I., Beers, T.W.
Thin prisms as angle gauges in forest inventory - Lafayette 1975 - 0.833333333 - No. 929; Purdue Agricultural E .
Thin prisms as angle gauges in forest inventory - Lafayette 1975 - 0.833333333 - No. 929; Purdue Agricultural E .