Btukfyl

here is my minimum code

%%%%%%%%%%%%%%%%%%%% author.tex %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%

% sample root file for your "contribution" to a proceedings volume

%

% Use this file as a template for your own input.

%

%%%%%%%%%%%%%%%% Springer %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

documentclass{svproc}



usepackage{url}

defUrlFont{rmfamily}

%usepackage{ecrc}

usepackage{amssymb}

usepackage{graphicx,subfigure}

usepackage{amssymb}

usepackage[figuresright]{rotating}

usepackage{algorithm}

usepackage{algorithmic}

usepackage{float}

usepackage[numbers]{natbib}

begin{document}

mainmatter              % start of a contribution

%

    % typeset the title of the contribution

begin{abstract}

fgggggggjmnfghndgcnnnnnbhhvbvbvbvbnnnvvncnv



end{abstract}

section{INTRODUCTION}

label{sec1}

ghjfgjhmkfuyhjmjgmjk

fvjmnvjhnjmjhm,





bibliographystyle{spbasic}

bibliography{ref}



end{document}

Normally there is clearpage before bibliography, trick it to not insert page break:

%%%%%%%%%%%%%%%%%%%% author.tex %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%

% sample root file for your "contribution" to a proceedings volume

%

% Use this file as a template for your own input.

%

%%%%%%%%%%%%%%%% Springer %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

documentclass{svproc}



usepackage{url}

defUrlFont{rmfamily}

%usepackage{ecrc}

usepackage{amssymb}

usepackage{graphicx,subfigure}

usepackage{amssymb}

usepackage[figuresright]{rotating}

usepackage{algorithm}

usepackage{algorithmic}

usepackage{float}

usepackage[numbers]{natbib}





usepackage{filecontents}

begin{filecontents*}{bib.bib}

@book{knuth,

  author       = {Knuth, Donald E.},

  title        = {The {TeX} book},

  date         = 1984,

  maintitle    = {Computers & Typesetting},

  volume       = {A},

  publisher    = {Addison-Wesley},

  location     = {Reading, Mass.},

  langid       = {english},

  langidopts   = {variant=american},

  sortyear     = {1984-1},

  sorttitle    = {Computers & Typesetting A},

  indexsorttitle= {The TeXbook},

  indextitle   = {protectTeX book, The},

  shorttitle   = {TeX book}

}

end{filecontents*}



begin{document}

mainmatter              % start of a contribution

%

    % typeset the title of the contribution

begin{abstract}

fgggggggjmnfghndgcnnnnnbhhvbvbvbvbnnnvvncnv



end{abstract}

section{INTRODUCTION}

label{sec1}

ghjfgjhmkfuyhjmjgmjk

fvjmnvjhnjmjhm,

cite{knuth}



begingroup



renewcommand{clearpage}{}

bibliographystyle{spbasic}

bibliography{bib}



endgroup



end{document}