TY  - JOUR
T1  - Chitin in the Carapace of Pterygotus osiliensis, from the Silurian Rocks of Oesel
JF  - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934)
VL  - 76
IS  - 511
SP  - 398
EP  - 400
PY  - 1905/09/02/
UR  - http://dx.doi.org/10.1098/rspb.1905.0035
M3  - doi:10.1098/rspb.1905.0035
AU  - Rosenheim, O.
ER  -