00503cam a2200193 4500 55689544 TxAuBib 19990618120000.0 990618s1979||||||||||||||||||||||||und|u 9780133717570 0133717577 TxAuBib Traetta, John. Gymnastics basics. Prentice-Hall, 1979. 19990618. Gymnastics Juvenile literature. Gymnastics.