Perhaps you should try some spelling variations:
biometrika » biometrie
biometric » geometric, biometry
biometrics » geometrics, biometrys
biometrical » geometrical, biometryal, biomedical, bioelectrical

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((biometrika OR (biometric OR biometrics)) OR biometrical).
• Adding a wildcard symbol may retrieve word variants: ((biometrika or (biometric or biometrics)) or biometrical)*.