TY  - BOOK
AU  - Humphreys,John H.L.
AU  - Holman,Ron
TI  - Focus on the marathon
SN  - 0715808478
PY  - 1983///
CY  - East Ardsley, Wakefield, West
PB  - New York
KW  - Marathon running.
N1  - Abstracts
ER  -