00764cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040004300111042001200154050001600166100003800182245008800220260006600308300004400374500004900418504003200467650001800499999001700517gs 47000343 DLC20260227111353.0780920s1940    ne a     b    000 0 dut c  ags 47000343   a(OCoLC)4238543  aU. S. Geol. Survey. Library.cGATdDLC  apremarc00aTP690b.K641 aKok, Willem Johannes Cornelis de.10aBijdrage tot de kennis van minerale oliën,cdoor Willem Johannes Cornelis De Kok.  aDelft,bGedrukt bij drukkerij Waltman (A. J. Mulder)c[1940?]  a112 p.billus., tables, diagrs.c25 cm.  aProefschrift--Technische hoogeschool, Delft.  a"Literatuur": p. [108]-112. 0aMineral oils.  c28222d28222