Proof of a Fierz identity

[yola]

Hello,
how can i prove by "fierzing" twice that
(\bar{\lambda} \gamma_5 \lambda) \lambda = - (\bar{\lambda} \lambda) (\gamma_5 \lambda)?

Thanks

[Bill_K]

Don't know. Is this reference any help? http://gemma.ujf.cas.cz/~brauner/files/Fierz_transform.pdf

[yola]

No, not really. Thanks anyway