Ogunseitan, Oladele A. (2007). "Public health and environmental benefits of adopting lead-free solders". Journal of the Minerals, Metals and Materials Society. 59 (7): 12–17. Bibcode:2007JOM....59g..12O. doi:10.1007/s11837-007-0082-8.
harvard.edu
adsabs.harvard.edu
Ogunseitan, Oladele A. (2007). "Public health and environmental benefits of adopting lead-free solders". Journal of the Minerals, Metals and Materials Society. 59 (7): 12–17. Bibcode:2007JOM....59g..12O. doi:10.1007/s11837-007-0082-8.