Some ecophysiological studies on arak in the western region of Saudi Arabia
By: Malibari, Abbas Ahmad; al-Fiqqi, Fawzi Ali; Haykal, Midhat M.. Journal of King Abdul Aziz University : Meteorology, Environment and Arid land Agriculture Sciences. Vol. 2, no. 1 (1991), pp.141-149, 9 p.
Subjects: Saudi Arabia; Ecology