00412    a2200157   4500003000800000008004100008020001500049041001200064082001500076100002100091245003000112260003700142300002200179650001500201650003800216WUSLLib200916b           ||||| |||| 00| 0 eng d  a0080315887  aEnglish  a304.6bSAL  aSalas, Rafael M.  aReflections on population  aNew York:bPergamon Press,c1984  axv, 240p.;c24cm.  aPopulation  aFactors affecting social behavior