TY  - BOOK
AU  - Mary Brown Allgood
TI  - Demonstration Techniques. Ed 2
U1  - 640.7143 
PY  - 1959///
CY  - Englewood
PB  - Prentice Hall , Inc
N1  - Mary Brown Allgood: Demonstration Techniques. Ed 2.  (2nd Ed)  Englewood.  Prentice Hall , Inc, 1959.--(640.7143ALL)
ER  -