Munawar, Aisha
Zahid, Anum
Negm, Amr
Akrem, Ahmed
Spencer, Patrick
Betzel, Christian
Funding for this research was provided by:
University of Engimeering and Technology, Lahore, Pakistan (Faculty Research Project No. ORIC/94-ASRB/143)
DAAD and CNPq (33.654.831/1001-36)
DAAD, CNPq (33.654.831/1001-36)