References

• Allen M., 1994, ApJ 424, 754 NASA ADS
• Assendorp R., Wesselius P.R., Whittet D.C.B., Prusti T., 1990, MNRAS 247, 624 NASA ADS
• Bernard J.P., Boulanger F., 1993, A&A 277, 609 NASA ADS
• Boulanger F., Prévot M.L., Gry C., 1994, A&A 284, 956 NASA ADS
• Clarke D., Al-Roubaie A., 1984, MNRAS 206, 729 NASA ADS
• Clarke D., Stewart B.G., 1986, Vistas Astron. 29, 27
• Coyne G.V., Gehrels S.J.T., Serkowski K., 1974, AJ 79, 58
• Crane P., Lambert D.L., Sheffer Y., 1995, ApJs 99, 107 NASA ADS
• Dubath P., Reipurth B., Mayor M., 1995, A&A (in press)
• Désert F.X., Boulanger F., Puget J.L., 1990, A&A 237, 215 NASA ADS
• Draine B.T., Katz N., 1986, ApJ 306, 655 NASA ADS
• Feigelson E.D., Casanova S., Montmerle T., Guibert J., 1993, ApJ 416, 623 NASA ADS
• Franco G.A.P., 1991, A&A 251, 581 NASA ADS
• Gauvin L.S., Strom K.M., 1992, ApJ 385, 217 NASA ADS
• Glass I.S., 1979, MNRAS 187, 305 NASA ADS
• Grasdalen G., Joyce R., Knacke R.F., Strom S.E., Strom K.M., 1975, AJ 80, 117 NASA ADS
• Hartigan P., 1993, AJ 105, 1511 NASA ADS
• Henize K.G., 1954, ApJ 119, 459 NASA ADS
• Hsu J.-C., Breger M., 1982, ApJ 262, 732 NASA ADS
• Jones T.J., Hyland A.R., Harvey P.M., Wilking B.A., Joy M., 1985, AJ 90, 1191 NASA ADS
• McGregor P.J., Harrison T.E., Hough J.H., Bailey J.A., 1994, MNRAS 267, 755 NASA ADS
• Penprase B.E., Blades J.C., Danks A.C., Crane P., 1990, ApJ 365, 241 NASA ADS
• Penprase B.E., 1993, ApJs 88, 433 NASA ADS
• Prusti T., Natta A., Palla F., 1994, A&A 292, 593 NASA ADS
• Prusti T., Whittet D.C.B., Wesselius P.R., 1991, MNRAS 249, 319 NASA ADS
• Serkowski K., 1974, in Planets, Stars and Nebulae Studied with Photopolarimetry, Gehrels T. (ed.). Tucson: University of Arizona, p. 135
• Schwartz R.D., 1991, in Low Mass Star Formation in Southern Molecular Clouds ESO Scientific Report No. 11, Bo Reipurth (ed.) p. 93
• Schwarz H.E., 1989, ESO Operating Manual No. 13
• Spitzer L., 1978, Physical Processes in the Interstellar Medium. New York, Wiley, p. 171
• Stahl O., Buzzoni B., Kraus G., et al., 1986, ESO Messenger 46, 23
• Steenman H., Thé P.S., 1989, Ap&SS 161, 99 NASA ADS
• Thé P.S., Wesselis P.R., Tjin-A-Djie H.R.E., Steenman H., 1986, A&A 155, 347 NASA ADS
• Toriseva M., Mattila K., 1985, A&A 153, 207 NASA ADS
• Vrba F.J., Rydgren A.E., 1984, ApJ 283, 123 NASA ADS
• Walborn N.R., 1968, PASP 80, 162
• Whittet D.C.B., Kirrane T.M., Kilkenny D., Oates A.P., Watson F.G., King D.J., 1987, MNRAS 224, 497 NASA ADS
• Whittet D.C.B., Assendorp R., Prusti T., Roth M., Wesselius P.R., 1991, MNRAS 251, 524
• Whittet D.C.B., Gerakines P.A., Carkner A.L., et al., 1994 MNRAS 268, 1, NASA ADS
• Zinnecker, et al., 1996 (in preparation)