00353nam a2200121Ia 4500008004100000082001700041100002000058245002200078260004000100300000900140630001800149650006400167211109s9999||||xx |||||||||||||| ||und||  a304.6bSAG-P  aSagrera, Martin 0aPopulation Crisis  bEditorial FundementosaMadridc1994  a87p.  xGeneral stack  aFactors affecting social behaviorvSocial sciencesGeneralia