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- [1] CHARACTERISTIC DEBYE TEMPERATURE OF AMMONIUM FLUOROBERYLLATE, (NH4)2BEF4 ACTA CRYSTALLOGRAPHICA SECTION A, 1982, 38 (MAY): : 388 - 390
- [2] THE CRYSTAL-STRUCTURE OF A FERROELECTRIC PHASE OF AMMONIUM FLUOBERYLLATE (NH4)2BEF4 KRISTALLOGRAFIYA, 1980, 25 (03): : 473 - 480
- [3] OPTICAL AND X-RAY STUDIES ON INCOMMENSURATE PHASE-TRANSITIONS OF FERROELECTRIC AMMONIUM FLUOROBERYLLATE (NH4)2BEF4 PHYSICAL REVIEW B, 1985, 31 (07): : 4569 - 4575
- [5] FERROELECTRIC PROPERTIES OF MONOCRYSTALS IN SYSTEM (NH4)2SO4-(NH4)2BEF4 (IN EXCESS) VESTNIK MOSKOVSKOGO UNIVERSITETA SERIYA 2 KHIMIYA, 1972, (02): : 211 - +
- [7] THERMOOPTICAL AND DIELECTRIC PROPERTIES OF (NH4)2BEF4 IN VICINITY OF FERROELECTRIC TRANSITION KRISTALLOGRAFIYA, 1973, 18 (06): : 1289 - 1291
- [8] Piezooptic properties of (NH4)2BeF4 crystals 1996, Akademie-Verlag Berlin, Berlin, Germany (158):
- [9] FERROELECTRIC PROPERTIES OF SOLID-SOLUTIONS OF SYSTEM (NH4)2SO4 (NH4)2BEF4 VESTNIK MOSKOVSKOGO UNIVERSITETA SERIYA 2 KHIMIYA, 1971, 12 (06): : 683 - &