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@book{johnson2006collins,
    title = {Collins Tree Guide},
    author = {Johnson, Owen and More, David},
    isbn = {9780007207718},
    series = {Collins S},
    url = {https://books.google.pl/books?id=_cYoZGJTOh8C},
    year = {2006},
    publisher = {Collins},
    date-added = {2025-12-24 18:49:16 +0100}
}

@book{johnson2006collins, title = {Collins Tree Guide}, author = {Johnson, Owen and More, David}, isbn = {9780007207718}, series = {Collins S}, url = {https://books.google.pl/books?id=_cYoZGJTOh8C}, year = {2006}, publisher = {Collins}, date-added = {2025-12-24 18:49:16 +0100} }