00445nam a2200145Ia 4500001000500000005001700005008004100022020001500063082001200078100002300090245007100113260005200184300003400236650002900270791220261006004047.0120911s9999    xx            000 0 und d  a0534122825  a155 SIG  aSigelman, Carol K   aLife-span human development / Carol K. Sigelman, David R. Shaffer.  aPacific Grove, Calif. : Brooks/Cole Pub., 1991.  axviii, 710 p. : ill. ; 25 cm.  aDevelopmental psychology