The name of the autor(s) is not stated.
Here you have the links:
SMS Emden
http://www.many3d.com/download/warship/8604.html
SMS Scharnhorst
http://www.many3d.com/download/warship/8606.html
N.B. the website is in chinese.
Choose a number wich is the number of verteces the model have and write a code in the empty field and press the button with a lot of small squares.