Drilling and geological report ON-Kallo-1, ON-Kallo-2, ON-Kallo-3. - Cammaer, C.; Cockaerts, G.; Schiltz, M. (ONDRAF.NIRAS, 2009)
Volume: "Technical report Samsuffit R2009–01."
Keywords: Prov O; bibgeolbel20998; country B; domgeol BRAB2; domgeol BRAB3; domgeol CALBRAB; map.27; strat CRET; strat EOC; strat OLIG; strat ORD; strat PALEOC; theme SON; theme STRA

The NIRAS-ONDRAF Kallo 1&2 boreholes: the Ypresian cored section 254-410 m depth. - Mohammad, W. (KU Leuven, 2009)
Volume: Report
Keywords: Prov O; bibgeolbel17701; country B; domgeol BRAB3; map.27; strat EOC; theme SON; theme STRA