Unsupervised clustering of soil spectral curves to obtain their stronger correlation with soil properties. - Jerzy Cierniewski; Cezary Kazmierowski; Krzysztof Kusnierek; Jan Piekarczyk; Slawomir Kwlewicz; Marcin Gulinski; Henryk Terelak; Tomasz Stuczynski; Barbara Maliszewska-Kordybach (WHISPERS, 2010)