@article {319160, title = {Abh. Naturwiss. Vereine Bremen 24: 499. 1919.}, year = {1919}, keywords = {Brahms}, author = {(Sendtn.) Bitter} } @article {319133, title = {Abh. Naturwiss. Vereine Bremen 24: 433. 1919.}, year = {1919}, keywords = {Brahms}, author = {(Sendtn.) Bitter} } @article {319051, title = {Abh. Naturwiss. Vereine Bremen 24: 494. 1919.}, year = {1919}, keywords = {Brahms}, author = {(Sendtn.) Bitter} }