Controlling title , bibtex, using JabRef

Question

I'm using Jabref to manage references. I use references both in English and German.

    % my Question
\documentclass[12pt,twoside]{report}% Use this line for the print version of the thesis

\usepackage{natbib}
\begin{filecontents}{\jobname3.bib}
@INPROCEEDINGS{Talaya2004,
  author = {Talaya, J. and Alamús, R. and Bosch, E. and Kornus, W},
  title = {Integration of a Terrestrial Laser Scanner with {GPS/IMU} Orientation
    Sensors},
  booktitle = {The International Archives of the Photogrammetry, Remote Sensing
    and Spatial Information Sciences 35 (Part B7)},
  year = {2004},
  pages = {990-995},
  owner = {Say},
  timestamp = {2013.09.07}
}
@PHDTHESIS{Gordon2008,
  author = {Gordon, B},
  title = {Zur Bestimmung von Messunsicherheiten terrestrischer Laserscanner},
  school = {Technical University Darmstadt, http://tuprints.ulb.tu-darmstadt.de/1206/.},
  year = {2008},
  owner = {Say},
  timestamp = {2013.09.08}
}
@ARTICLE{Rautenberg2002,
  author = {Rautenberg, U and Wiggenhagen, M},
  title = {Abnahme und Ueberwachung photogrammetrischer Messsysteme nach VDI
    2634, Blatt 1},
  journal = {PFG},
  year = {2002},
  volume = {Nr. 2/2002},
  pages = {pp. 117-124},
  owner = {Sayyad},
  timestamp = {2013.09.08}
}

\end{filecontents}

\begin{document}

%%%%%%%%%%%%% begin Bibliography %%%%%%%%%%%%%%%%%
\citet{Talaya2004}\\

\citet{Gordon2008}
\citet{Rautenberg2002}
\bibliographystyle{apalike}

\bibliography{\jobname3}

\end{document}

Output:

Gordon, B. (2008). Zur Bestimmung von Messunsicherheiten ter- restrischer Laserscanner. PhD thesis, Technical University Darmstadt, http://tuprints.ulb.tu-darmstadt.de/1206/.

Rautenberg, U. and Wiggenhagen, M. (2002). Abnahme und ueberwachung photogrammetrischer messsysteme nach vdi 2634, blatt 1. PFG, Nr. 2/2002:pp. 117-124.

Talaya, J., Alams, R., Bosch, E., and Kornus, W. (2004). Integration of a terrestrial laser scanner with GPS/IMU orientation sensors. In The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 35 (Part B7), pp. 990-995.

I want to get

Gordon, B. (2008). Zur Bestimmung von Messunsicherheiten ter- restrischer Laserscanner. PhD thesis, Technical University Darmstadt, http://tuprints.ulb.tu-darmstadt.de/1206/.

% Correct german, Nouns are written with capital letters

Rautenberg, U. and Wiggenhagen, M. (2002). Abnahme und Ueberwachung photogrammetrischer Messsysteme nach VDI 2634, Blatt 1. PFG, Nr. 2/2002:pp. 117-124.

% First letter should be capital.

Talaya, J., Alams, R., Bosch, E., and Kornus, W. (2004). Integration of a Terrestrial Laser Scanner with GPS/IMU Orientation Sensors. In The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 35 (Part B7), pp. 990-995.

What should include / have to change in my code. What should I change in .bst file. I'm using JabRef to mange my code.