TY - JOUR AU - A. Brandenburg AU - Ellen Zweibel BT - The Astrophysical Journal DA - Jan-06-1994 DO - 10.1086/187372 PY - 1994 EP - L91 T2 - The Astrophysical Journal TI - The formation of sharp structures by ambipolar diffusion UR - http://www.nordita.org/~brandenb/Own_Papers/1994/Bran+Zwei94_col.pdf VL - 427 SN - 0004-637X ER -