This document presents formal NASA technical reports, papers published in technical journals, and presentations by MSFC personnel in FY99. It also includes papers of MSFC contractors. All of the NASA series reports may be obtained from the NASA Center for AeroSpace Information (CASI), 7121 Standard Drive, Hanover, MD 21076-1320 The information in this report may be of value to the scientific and engineering community in determining what information has been published and what is available.Turner, J. E. (Compiler)Marshall Space Flight CenterNASA PROGRAMS; REPORTS; AEROSPACE TECHNOLOGY TRANSFER; INFORMATION DISSEMINATION; DOCUMENTS; INFORMATION; CATALOGS (PUBLICATIONS); CONFERENCES; SUMMARIES; PAPERS; INDEXES (DOCUMENTATION)