#include <iostream>
#include <vector>
#include <string>
#include <boost/foreach.hpp>

struct Aaa
{
    typedef std::vector < std::string > Vec;
    Aaa()
    {
        m_vec.push_back( "sobaka" );
        m_vec.push_back( "mendeley" );
    }
    Vec m_vec;
};

struct Bbb
{
    Aaa& get(){ return m_aaa; }
    Aaa m_aaa;
};

int main( int argc, const char* argv[] ) {
  Bbb b_obj;
  Aaa &ref_a = b_obj.get();
  BOOST_FOREACH( const Aaa::Vec::value_type &_val, ref_a.m_vec )
  {
      std::cout << _val << "\n";
  }
}