From A to Z : proceedings of a symposium in honour of A(driaan) C(ornelis) Zaanen; (Leiden, July 5-6, 1982)Huijsmans C.B., Kaashoek M.A., Luxemburg W.A.J1982DJVU
Katahdin Arctic Butterfly, Oeneis Polixenes Katahdin Newc. in Maine and Its Relevance to the Critical Areas ProgramA. E. Brower1977ZIP