https://www.essoar.org/doi/abs/10.1002/essoar.10500520.1
https://www.essoar.org/doi/abs/10.1002/essoar.10500521.1
https://www.essoar.org/doi/abs/10.1002/essoar.10500522.1
https://www.essoar.org/doi/abs/10.1002/essoar.10500524.1
https://www.essoar.org/doi/abs/10.1002/essoar.10500529.1
https://www.essoar.org/doi/abs/10.1002/essoar.10500536.1
https://www.essoar.org/doi/abs/10.1002/essoar.10500537.1
https://www.essoar.org/doi/abs/10.1002/essoar.10500539.1
https://www.essoar.org/doi/abs/10.1002/essoar.10500542.1
https://www.essoar.org/doi/abs/10.1002/essoar.10500548.1
https://www.essoar.org/doi/abs/10.1002/essoar.10500549.1
https://www.essoar.org/doi/abs/10.1002/essoar.10500199.2