TY  - BOOK
AU  - Johnson,Ralph L.
TI  - YMCA pool operations manual
SN  - 0873226569
U1  - 363.7929 23
PY  - 1994///
CY  - Illinois : 
PB  - Human Kinetics , 
KW  - Swimming pools - Handbooks, manuals, etc. ; YMCA of the USA
ER  -