SVRČEK M. (1990): A report on mycological trips to Krkonoše Mts. (Giant Mts.), Bohemia, in theyears 1986-1989. Česká Mykologie 44(3): 140-146 [published: 22nd October, 1990]
MINTER D.W. (1981): Microfungi on needles, twigs and cones of pines in Czechoslovakia. Česká Mykologie 35(2): 90-101 [published: 1981]