au.\*:("KROHN RF")
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A NEW IMAGING METHOD FOR INDUSTRIAL RADIOGRAPHY = NOUVELLE METHODE DE PRISE DE VUE POUR LA RADIOGRAPHIE INDUSTRIELLEKROHN RF.1973; FOUNDG WELDG PRODUCT. J.; S. AFR.; DA. 1973; VOL. 13; NO 5; PP. 13-20Serial Issue
CONTROL OF SIROCOCCUS TIP BLIGHT OF JEFFREY PINE SEEDLINGS = LUTTE CONTRE LE FLETRISSEMENT A SIROCOCCUS DES EXTREMITES DES PLANTULES DE PINUS JEFFREYISMITH RS JR; MCCAIN AH; SRAGO M et al.1972; PLANT DIS. REPORTER; U.S.A.; DA. 1972; VOL. 56; NO 3; PP. 241-242Serial Issue