TY  - BOOK
AU  - Colella,Olga
TI  - Grupos
T2  - Primeras imagenes
SN  - 9501109860 :
PY  - 1994///
CY  - Buenos Aires
PB  - Sigmar
KW  - Grupos
KW  - Literatura juvenil
KW  - bidex
KW  - Set theory
KW  - Juvenile literature
KW  - Spanish language materials
N1  - Titulo original: My first look at sorting; "Un libro Dorling Kindersley" -- T.p. verso
N2  - Photographs explore how things are alike and different
ER  -