To cite the package 'drcSeedGerm' in publications:

Onofri A, Benincasa P, Mesgaran MB, Ritz C (2018). “Hydrothermal-time-to-event models for seed germination.” European Journal of Agronomy, 101, 129-139.

Corresponding BibTeX entry:

    author = {A. Onofri and P. Benincasa and M. B. Mesgaran and C.
    title = {Hydrothermal-time-to-event models for seed germination},
    journal = {European Journal of Agronomy},
    volume = {101},
    pages = {129-139},
    year = {2018},