Crossley, J. An evaluation and record of generally recommended trees and shrubs, planted at the Research Station, Sydney, B.C. 1913-1973. Ottawa: 1977 66 p. : ill.
Crossley, J. An evaluation and record of generally recommended trees and shrubs, planted at the Research Station, Sydney, B.C. 1913-1973. Ottawa: 1977 66 p. : ill.
Crossley, J. (1977) An evaluation and record of generally recommended trees and shrubs, planted at the Research Station, Sydney, B.C. 1913-1973, Ottawa: 66 p. : ill.
Crossley, J. (1977). An evaluation and record of generally recommended trees and shrubs, planted at the Research Station, Sydney, B.C. 1913-1973. Ottawa: 66 p. : ill.
Crossley J. An evaluation and record of generally recommended trees and shrubs, planted at the Research Station, Sydney, B.C. 1913-1973. Ottawa: 1977. p. 66 p. : ill.
