TY - BOOK AU - Numers,Mikael von TI - Distribution, numbers and ecological gradients of birds breeding on small islands in the Archipelago Sea, SW Finland T2 - Acta Zoologica Fennica SN - 951-9481-42-7 PY - 1995/// CY - Helsinki PB - Finnish Zoological and Botanical Publishing Board KW - Birds KW - Baltic Sea Region ER -