00953cam a2200277u 4500 5917586 BD-DhUL 20150112131059.0 cr_||||||||||| 810410s1922 mauabf 000 0 eng 23002218 DLC CarP DLC BD-DhUL S647 .R6 631.4 ROB Robertson, George Scott, 1893- [from old catalog] Basic slags and rock phosphates / by George Scott Robertson ; with a preface by Edward J. Russell Cambridge, The University Press, 1922. xiv 120 p. ill.. map ; 24 cm. Includes bibliographical references and index. Also available in digital form on the Internet Archive Web site. Slag. Phosphates. http://hdl.loc.gov/loc.gdc/scd0001.00027562838 0 cbc premunv u ncip 19 y-gencatlg ddc BK 29793 29793 0 0 ddc 0 631_400000000000000_ROB 0 NFIC 56589 DUSL DUSL GEN 1969-01-06 631.4 ROB A6893 2015-01-12 2015-01-12 BK 0 0 ddc 0 631_400000000000000_ROB 0 NFIC 56590 DUSL DUSL GEN 1969-01-06 631.4 ROB A4284 2015-01-12 2015-01-12 BK