TY  - GEN
AU  - Braunfeld, Peter G.
TI  - Stretchers and shrinkers: Book 1, the theory of stretching machines, book 2-Advanced topics in stretching and shrinking. Book-3 the theory of fractions 
U1  - 510,BRA 
PY  - 1969///
CY  - New York
PB  - Harper & Row Publishers
KW  - Mathematics
N1  - Percent (Page-1), Fraction Machines (Page-22), Multiplying by a Fraction (Page-61), Dividing by a Fraction (Page-87), Adding and Subtracting fractions (Page-108), Mixed Numbers (Page-137), percent Revisited (Page-155).
ER  -