TY  - BOOK
AU  - Johnson,A.F.
TI  - A programmed course in cataloguing and classification
T2  - Grafton basic texts
SN  - no
PY  - 1968///
CY  - London - INGL
PB  - Andre Deutsch
KW  - Catalogacion
KW  - Clasificacion
KW  - Bibliotecologia
ER  -