TY  - BOOK
AU  - Askeland, Donald R.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 534934234
SN  - 2
PY  - 1994///];copyright 1994.46
CY  - Boston
PB  - PWS Pub.
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Materials
N1  - Includes index; 5
ER  -