HAWKSWORTH DAVID L. ASCOMYCETE 804,401 Ascomycete systematics : problems and perspectives in the nineties : [Proceedings of a NATO Advanced Research Workshop held May 11-14, 1993, in Paris, France] / ed. by David L. Hawks worth. - New York and London : Plenum Press, [I994J. - XI, 453 s. : ;. ; 26 cm (NATO ASI Ser. Ser.A : Life Sciences : vol. 269) Publ. in cooperation with NATO Scientific Affairs Division ISBN 0-306-44882-3