A statistical study of spicule inclinations

Beckers, J. M: 1963, Astrophys. J. 138, 648.

Beckers, J. M.: 1964, Utrecht Thesis. Also available as AFCRL Enviromental Research Paper, No. 49 (1964).

Beckers, J. M.: 1968, Solar Phys. 3, 367.

Bohlin, J. D., Vogel, S. N., Purcell, J. D., Sheeley, N. R. Jr., Tousey, R., and Van Hoosier, M. E.: 1975, Astrophys. J. 197, L133.

Harvey, J. W.: 1965, Astrophys. J. 141, 832.

Lippincott, S. L.: 1957, Smiths. Contr. Astrophys. 2, 15.

Pope, T. and Mosher, J.: 1975, Solar Phys. 44, 3.

Van de Hulst, H. C.: 1953, in G. P. Kuiper (ed.), The Sun, p. 227.