TY  - BOOK
AU  - Villegas, Bernardo M.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 9718527281 (paperback)
SN  - 2
PY  - 1995///];copyright 1995.46
CY  - Metro Manila, Philippines
PB  - Southeast Asian Science Foundation
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
N1  - PRIORITY 3; Includes bibliographical references and index; 5
ER  -