Não informado. (1987). Key abstracts. Institute of Electrical and Electronics Engineers.
Chicagoスタイル(17版)引用形式Não informado. Key Abstracts. Piscataway, NJ: Institute of Electrical and Electronics Engineers, 1987.
MLA(8版)引用形式Não informado. Key Abstracts. Institute of Electrical and Electronics Engineers, 1987.
警告: この引用は必ずしも正確ではありません.