LEADER 00946nam a2200241 i 4500
001 991002522949707536
008 040421s1991    nhu           000 0 eng d
020   $a0435083090
035   $ab12935219-39ule_inst
040   $aDi.S.Te.B.A.$beng
082 0 $a371.26$220
100 1 $aDoris, Ellen$0486799
245 10$aDoing what scientists do :$bchildren learn to investigate their world /$cEllen Doris
260   $aPortsmouth :$bHeinemann,$cc1991
300   $axii, 194 p. :$bill. ;$c26 cm
504   $aIncludes bibliographical references (p. 171-190)
650  0$aScience$xStudy and teaching (Elementary)$zUnited States
907   $a.b12935219$b21-09-10$c21-04-04
912   $a991002522949707536
945   $aLE003 371 DOR01.01 (1991)$g1$i2003000044775$lle003$o-$pE22.54$q-$rn$sm  $t0$u0$v0$w0$x0$y.i1353015x$z20-05-04
996   $aDoing what scientists do$9281923
997   $aUNISALENTO
998   $ale003$b21-04-04$cm$da  $e-$feng$gnhu$h0$i1