Eck, J.W. van
Impartial assessment of rose (Rosa, "Sweet Promise") flower colour with the aid of a Chroma Meter J.W. van Eck and D.P. de Vries - Plant Varieties and Seeds .
Rosales Floricultura
Impartial assessment of rose (Rosa, "Sweet Promise") flower colour with the aid of a Chroma Meter J.W. van Eck and D.P. de Vries - Plant Varieties and Seeds .
Rosales Floricultura