1. Traditional Eastern Spanish varieties of tomato;Cortés-Olmos;Science in Agriculture,2015
2. Native bees pollinate tomato flowers and increase fruit production;De Melo e Silva Neto;Journal of Pollination Ecology,2013
3. Pollination deficit in open-field tomato crops (Solanum lycopersicon L., Solanaceae) in Rio de Janeiro State, Southeast Brazil;Deprá;Journal of Pollination Ecology,2014
4. DWD Climate Data Center 2018 https://www.dwd.de/EN/ourservices/cdcftp/cdcftp.html
5. FAO 2017 http://www.fao.org/faostat/en/#data/QC