TY - JOUR AU - Richard McCray AU - D. Lin BT - Nature DA - Feb-06-1994 DO - 10.1038/369378a0 PY - 1994 SP - 378 EP - 380 T2 - Nature TI - Is the ring around SN1987A a protostellar disk? VL - 369 SN - 0028-0836 ER -