Wede Pohl K.H, . (1969). Hand book of Geochemistry Vol. II -1. : Springer, New York.
Wede Pohl K.H, . 1969. Hand book of Geochemistry Vol. II -1. : Springer, New York.
Wede Pohl K.H, . Hand book of Geochemistry Vol. II -1. : Springer, New York. 1969.