@Book{OL2183945M,
    title: {The birth partner},
    author: {Penny Simkin},
    publisher: {Harvard Common Press},
    year: {1989},
    place: {Boston, Mass},
}

@Book{OL7868331M,
    title: {Hypertension in Pregnancy},
    author: {David Churchill and D. Gareth Beevers},
    publisher: {BMJ Publishing Group},
    year: {1999},
}

@Book{OL4494246M,
    title: {Bien naître},
    author: {Michel Odent},
    publisher: {Seuil},
    year: {1976},
    place: {[Paris]},
}

@Book{OL9304667M,
    title: {Water and Sexuality (Arkana)},
    author: {Michel Odent},
    publisher: {Penguin (Non-Classics)},
    year: {1990},
}

@Book{OL2390749M,
    title: {Healing yourself during pregnancy},
    author: {Joy Gardner-Gordon},
    publisher: {Crossing Press},
    year: {1987},
    place: {Freedom, Calif},
}

@Work{OL4104906W,
    title: {Pregnancy, childbirth, and the newborn},
    author: {Penny Simkin},
    first_publish_year: {1984}
}

@Work{OL4794513W,
    title: {Spiritual midwifery},
    author: {Ina May Gaskin},
    first_publish_year: {1975}
}

@Work{OL9762901W,
    title: {Gentle Birth, Gentle Mothering},
    author: {Dr. Sarah J. Buckley},
    first_publish_year: {2005}
}

@Work{OL4104900W,
    title: {The labor progress handbook},
    author: {Penny Simkin},
    first_publish_year: {2000}
}

@Work{OL4121544W,
    title: {Birth and Breastfeeding},
    author: {Michel Odent},
    first_publish_year: {2004}
}

@Work{OL4794512W,
    title: {Ina May's Guide to Childbirth},
    author: {Ina May Gaskin},
    first_publish_year: {2003}
}

@Work{OL15744008W,
    title: {Labyrinth of Birth},
    author: {Pam England},
    first_publish_year: {2009}
}

@Work{OL4794511W,
    title: {Ina May's guide to breastfeeding},
    author: {Ina May Gaskin},
    first_publish_year: {2009}
}

@Work{OL4104902W,
    title: {When survivors give birth},
    author: {Penny Simkin},
    first_publish_year: {2004}
}

@Author{OL769501A,
    name: {Penny Simkin},
    birth_date: {1938}
}