00897cam a2200277Ma 4500001001300000003000600013005001700019008004100036020002100077020002400098035002100122040002000143082001400163100004700177245008500224250002400309260003800333300002900371500005400400500002600454500001800480500002600498500002700524700001500551700005300566ocn123801553OCoLC20151023231800.0931230s1986    sa            001 0 afr d  a0798621966 (pbk)  a9780798621960 (pbk)  a(OCoLC)123801553  aSZTcSZTdOCLCG  a500 J2201 aVan Dyk, J. J.q(Johannes Jurgens),d1933-10aAlgemene wetenskap in aksie :bSt. 5 /cJ.J. van Dyk, E. Bouwer, J.C. M�uller.  a1ste sagtebanduitg.  aPretoria :bDe Jager-HAUM,c1986.  a216 p. :bill. ;c22 cm.  aNaam van uitgewer verander na: Kagiso Publishers.  a2de dr. 1988 (R7,60).  a3de dr. 1989.  a4de dr. 1990 (R8,35).  a5de dr. 1994 (R19,39).1 aBouwer, E.1 aM�uller, J. C.q(Johannes Christoffel),d1942-