D J Morgan
Mineralogical examination of bentonites from Malaysia : RAK (E1) - JMG. Sabah - Ipoh Perak Jabatan Kajibumi Malaysia 1988 - ill:11p. 29.8 cm
Mineralogical examination of bentonites from Malaysia : RAK (E1) - JMG. Sabah - Ipoh Perak Jabatan Kajibumi Malaysia 1988 - ill:11p. 29.8 cm