TY  - GEN
AU  - Payne, Stephen
AU  - Howes, Andrew
AU  - Hill, Elaine
TI  - Conceptual instructions derived from an analysis of device models
KW  - Depósito de Retaguarda
KW  - 0220 - Depósito de Retaguarda
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/dr.htm
ER  -