TY  - BOOK
AU  - McBogg,Bruce
TI  - Ropeless jumping
SN  - 094140000X
PY  - 1981///
CY  - Denver, Colo.
PB  - Communications Media Corp.
KW  - Jumping
UR  - http://www.archive.org/details/ropelessjumping00mcbo
UR  - http://www.openlibrary.org/books/OL24372682M
ER  -