Reflectance measurements at climate change experiment sites in Europe. - Lea Hallik; Joel Kuusk; Simone Mereu; Inger Kappel Schmidt (IGARSS, 2013)

Seasonal Course of the Spectral Properties of Alder and Birch Leaves. - Matti Mottus; Madis Sulev; Lea Hallik (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2014)

Reflectance Properties of Hemiboreal Mixed Forest Canopies with Focus on Red Edge and Near Infrared Spectral Regions. - Lea Hallik; Andres Kuusk; Mait Lang; Joel Kuusk (Remote. Sens., 2019)

Leaf Age Matters in Remote Sensing: Taking Ground Truth for Spectroscopic Studies in Hemiboreal Deciduous Trees with Continuous Leaf Formation. - Eva Neuwirthová; Andres Kuusk; Zuzana Lhotáková; Joel Kuusk; Jana Albrechtová; Lea Hallik (Remote. Sens., 2021)