00501nam a2200157 a 450000500170000000800410001710000230005824500730008126000550015430000250020950000470023465000290028185200110031085200110032185200110033220190520020520.0071213s19uu    xx            00    eng d10aSigelman, carol K.10aLife- span human development /cCarol K. Sigelman, David R, Shaffer.0 aPacific Grove, CA :bBrooks/ Cole Pub. co,cc1991.  axviii, 710 p. : ill.  aIncludes glossary, references and indices.  adevelopmental psychology  7OLOPSC  7OLOPSC  7OLOPSC