On the identity and estimation of those cosine invariants, cos(φl+ φm+ φn+ φp), which are probably negative

✍ Scribed by Hauptman, H.

• Book ID: 114521651
• Publisher: International Union of Crystallography
• Year: 1974
• Weight: 561 KB
• Volume: 30
• Category: Article
• ISSN: 0567-7394
• DOI: 10.1107/s0567739474001136