id	keyword
esrj-118266	gypsum
esrj-118266	djebel
esrj-118266	djira
esrj-118266	basin
esrj-118266	et al
esrj-118266	deposits
esrj-118266	chelif
esrj-118266	chemical
esrj-118266	rock
esrj-118266	des
esrj-118266	algeria
esrj-118266	algérie
esrj-118266	cao
esrj-118266	quality
esrj-118266	analysis
esrj-118266	belkebir
esrj-118266	bessedik
esrj-118266	so₃