TY - JOUR AU - Romano, Bruno AU - Frenguelli, Gianluca AU - Fornaciari, M. AU - Bricchi, E. PY - 1995 SN - 0211-9714 UR - http://hdl.handle.net/10366/73919 AB - ABSTRACT: It is very helpful for allergological and ecological purposes to formulate a "pollen calendar" for each zone,, to have mean data about the time and the cubic metre concentration in which the pollen grains occur in the atmosphere of... LA - spa PB - Ediciones Universidad de Salamanca (España) KW - Botánica KW - Plantas medicinales KW - Botany KW - Medicinal plants TI - Pollination seasons in Perugia area (Central Italy) ER -