HERDMAN, S. J., TUSA, R. J., & CLENDANIEL, R. A. (1994). Eye movement signs in vertical canal benign paroxysmal positional vertigo. In A. F. Fuchs, T. Brandt, U. Buttner, & D. Zee (Eds.), CONTEMPORARY OCULAR MOTOR AND VESTIBULAR RESEARCH: A TRIBUTE TO DAVID A. ROBINSON (pp. 385–387). EIBSEE, GERMANY: GEORG THIEME VERLAG.

HERDMAN, S. J., R. J. TUSA, and R. A. CLENDANIEL. “Eye movement signs in vertical canal benign paroxysmal positional vertigo.” In CONTEMPORARY OCULAR MOTOR AND VESTIBULAR RESEARCH: A TRIBUTE TO DAVID A. ROBINSON, edited by A. F. Fuchs, T. Brandt, U. Buttner, and D. Zee, 385–87. GEORG THIEME VERLAG, 1994.

HERDMAN SJ, TUSA RJ, CLENDANIEL RA. Eye movement signs in vertical canal benign paroxysmal positional vertigo. In: Fuchs AF, Brandt T, Buttner U, Zee D, editors. CONTEMPORARY OCULAR MOTOR AND VESTIBULAR RESEARCH: A TRIBUTE TO DAVID A ROBINSON. GEORG THIEME VERLAG; 1994. p. 385–7.

HERDMAN, S. J., et al. “Eye movement signs in vertical canal benign paroxysmal positional vertigo.” CONTEMPORARY OCULAR MOTOR AND VESTIBULAR RESEARCH: A TRIBUTE TO DAVID A. ROBINSON, edited by A. F. Fuchs et al., GEORG THIEME VERLAG, 1994, pp. 385–87.

HERDMAN SJ, TUSA RJ, CLENDANIEL RA. Eye movement signs in vertical canal benign paroxysmal positional vertigo. In: Fuchs AF, Brandt T, Buttner U, Zee D, editors. CONTEMPORARY OCULAR MOTOR AND VESTIBULAR RESEARCH: A TRIBUTE TO DAVID A ROBINSON. GEORG THIEME VERLAG; 1994. p. 385–387.