Protected and deserving protection trees and shrubs of the Polish Sudety Mts. with their prealps. Pt. 11. Cotoneaster integerrimus Medik. and C. niger (Thunb.) Fr
Journal article published in 1999 by
A. Boratynski,
P. Kosinski,
P. Kwiatkowski,
E. Szczesniak,
K. Swierkosz 
