@article{PMS_1924_1_1_a4,
     author = {Smoluchowski, Marian},
     title = {Akustische {Untersuchungen} \"uber die {Elastizit\"at} weicher {K\"orper}},
     journal = {Pisma Mariana Smoluchowskiego},
     pages = {5--35},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1924},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/PMS_1924_1_1_a4/}
}