Merrill, H. A. (1957). Mathematical excursions: Side trips along paths not generally traveled in elementary courses in mathematics. Dover Publications.
Dyfyniad Arddull ChicagoMerrill, Helen Abbot. Mathematical Excursions: Side Trips Along Paths Not Generally Traveled in Elementary Courses in Mathematics. [New York]: Dover Publications, 1957.
Dyfyniad MLAMerrill, Helen Abbot. Mathematical Excursions: Side Trips Along Paths Not Generally Traveled in Elementary Courses in Mathematics. Dover Publications, 1957.
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