@Book{OL1423813M,
    title: {Teaching children about physical science},
    author: {Elaine Levenson},
    publisher: {TAB Books},
    year: {1994},
    place: {New York},
}

@Book{OL31885946M,
    title: {Sciencesaurus},
    author: {Houghton Mifflin Harcourt Publishing Company},
    publisher: {Houghton Mifflin Harcourt},
    year: {2014},
    place: {Orlando, Florida},
}

@Book{OL29636099M,
    title: {Children's encyclopedia of animals},
    author: {Karen McGhee},
    publisher: {Red Lemon Press},
    year: {2014},
    place: {Dorking},
}

@Book{OL25884003M,
    title: {Animals : a children's encyclopedia},
}

@Book{OL7995242M,
    title: {Children's Illustrated Encyclopedia},
    author: {DK Publishing},
    publisher: {DK CHILDREN},
    year: {2006},
}

@Author{OL2655350A,
    name: {DK Publishing},
    birth_date: {1974}
}