1. Saunders, P. T. and Ho, M. W, 1976, On the increase in complexity in evolution: Journal of Theoretical Biology, v. 63, p. 375-384.

BibTeX 
@article{saunders1976on1,
    author = "Saunders, P. T. and Ho, M. W",
    title = "On the increase in complexity in evolution",
    year = "1976",
    journal = "Journal of Theoretical Biology, v. 63, p. 375-384",
    note = "talkorigins\_source = {true}; raw\_reference = {Saunders, P. T., and Ho, M. W., 1976, On the increase in complexity in evolution: Journal of Theoretical Biology, v. 63, p. 375-384.}"
}

2. 1985, Theoretical Biology and Complexity.

DOI: 10.1016/c2013-0-11405-5

BibTeX 
@misc{crossref1985theoretical,
    title = "Theoretical Biology and Complexity",
    year = "1985",
    url = "https://doi.org/10.1016/c2013-0-11405-5",
    doi = "10.1016/c2013-0-11405-5"
}

3. 1994, Development and evolution: complexity and change in biology: Choice Reviews Online: v. 31, no. 10: p. 31-5438-31-5438.

DOI: 10.5860/choice.31-5438

BibTeX 
@article{crossref1994development,
    title = "Development and evolution: complexity and change in biology",
    year = "1994",
    journal = "Choice Reviews Online",
    url = "https://doi.org/10.5860/choice.31-5438",
    doi = "10.5860/choice.31-5438",
    number = "10",
    pages = "31-5438-31-5438",
    volume = "31"
}

4. Barham, James, 1995, Development and evolution: Complexity and change in Biology: Journal of Social and Evolutionary Systems: v. 18, no. 3: p. 277-308.

DOI: 10.1016/1061-7361(95)90007-1

BibTeX 
@article{barham1995development,
    author = "Barham, James",
    title = "Development and evolution: Complexity and change in Biology",
    year = "1995",
    journal = "Journal of Social and Evolutionary Systems",
    url = "https://doi.org/10.1016/1061-7361(95)90007-1",
    doi = "10.1016/1061-7361(95)90007-1",
    number = "3",
    pages = "277-308",
    volume = "18"
}

5. Umerez, Jon, 2001, Howard Pattee's theoretical biology — a radical epistemological stance to approach life, evolution and complexity: Biosystems: v. 60, no. 1-3: p. 159-177.

DOI: 10.1016/s0303-2647(01)00114-9

BibTeX 
@article{umerez2001howard,
    author = "Umerez, Jon",
    title = "Howard Pattee's theoretical biology — a radical epistemological stance to approach life, evolution and complexity",
    year = "2001",
    journal = "Biosystems",
    url = "https://doi.org/10.1016/s0303-2647(01)00114-9",
    doi = "10.1016/s0303-2647(01)00114-9",
    number = "1-3",
    pages = "159-177",
    volume = "60"
}

6. Ioannidis, Stavros, 2013, Regulatory Evolution and Theoretical Arguments in Evolutionary Biology: Science & Education: v. 22, no. 2: p. 279-292.

DOI: 10.1007/s11191-011-9378-8

BibTeX 
@article{ioannidis2013regulatory,
    author = "Ioannidis, Stavros",
    title = "Regulatory Evolution and Theoretical Arguments in Evolutionary Biology",
    year = "2013",
    journal = "Science \& Education",
    url = "https://doi.org/10.1007/s11191-011-9378-8",
    doi = "10.1007/s11191-011-9378-8",
    number = "2",
    pages = "279-292",
    volume = "22"
}