Παραπομπή APA

Sixth national symposium on vacuum technology transactions , Sheraton Hotel Philadelphia, Pennsylvania, October 7, 8 and 9, 1959.

Παραπομπή Chicago Style

Sixth National Symposium On Vacuum Technology Transactions , Sheraton Hotel Philadelphia, Pennsylvania, October 7, 8 and 9, 1959.

Παραπομπή MLA

Sixth National Symposium On Vacuum Technology Transactions , Sheraton Hotel Philadelphia, Pennsylvania, October 7, 8 and 9, 1959.

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