I do know of a few though I haven’t read them all
Closer to home: bisexuality & feminism
The Equalitarian Feminist A Journal For The Bi Sexual Liberated Woman
Some other texts about bisexual women:
Plural desires: writing bisexual women’s realities
Bi Lives Bisexual Women Tell Their Stories
Bisexuality And The Challenge To Lesbian Politics By Paula C. Rust
Bisexual Women Friendship And Social Organization
Women And Bisexuality A Global Perspective
And I’m gonna plug in my archive of articles from Journal of Bisexuality which might be helpful.