APA

W. E K., . (1983). Damage caused by cyanobacteria and fungi in plasters and casting covering medieval frescos in north german rural churches. Strasbourg-FR: Universite de strasbourg institut de geologia.

Chicago

W. E Krumbein, . 1983. Damage caused by cyanobacteria and fungi in plasters and casting covering medieval frescos in north german rural churches. Strasbourg-FR: Universite de strasbourg institut de geologia.

Harvard

W. E K., . (1983). Damage caused by cyanobacteria and fungi in plasters and casting covering medieval frescos in north german rural churches. Strasbourg-FR: Universite de strasbourg institut de geologia.

MLA

W. E Krumbein, . Damage caused by cyanobacteria and fungi in plasters and casting covering medieval frescos in north german rural churches. Strasbourg-FR: Universite de strasbourg institut de geologia. 1983.