Pesticide residues in bee products collected from cherry trees protected during blooming period with contact and systemic fungicides Marek Kubik, Janusz Nowacki, Andrzej Pidek, Zofia Warakomska, Lech Michalczuk and Włodzimierz GoszczyñskiApidologie, 30 6 (1999) 521-532DOI: https://doi.org/10.1051/apido:19990607
