Czeczuga, B., and Worthington, R.D. 1997a. Carotenoids in lichens from the States of New Mexico and Texas in the United States of America. Feddes Repert. 108:387-399. |
|
Czeczuga, B., Kudratov, I., and Baibulatova, N.E. 1993c. Carotenoids in certain lichens from Pamir-Alai and Tien-Shan mountains. Feddes Repert. 104:59-66. |
|
Czeczuga, B., and Egea, J.M. 1990a. Investigations on carotenoids in lichens. XXVII. Carotenoids in lichens from North Africa and SE Spain. An. Biol. 16:131-135. |
|