@misc{indiciae9a6d6356f76b, title = {SQUID and SQUID system developments for biomagnetic applications.}, author = {C Heiden}, year = {1991}, doi = {10.1088/0143-0815/12/b/009}, url = {https://pubmed.ncbi.nlm.nih.gov/1807882/}, note = {Source identifier: 1807882} }