TY  - BOOK
AU  - 
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 9718982124
SN  - 2
PY  - 1998///;copyright 2004.46
CY  - Manila
PB  - Publications Program, Information, Publication and Public Affairs office, University of the Philippines Manila
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
N1  - Includes bibliographical references and index; 5
ER  -