00860cam a2200313Ma 4500 ocn870018097 OCoLC 20151023232449.0 881228m19809999sa a 000 0 eng d CQ$ eng CQ$ OCLCO OCLCF ZAAPA 0625016645 9780625016648 (OCoLC)870018097 502 ZAAA Du Toit, J. J. du P. (Johannes Jacobus du Plessis), 1924- General science / J.J.du P. du Toit, J. Botha, L. Kathan. Goodwood : Nasou, 1980-. 93 p. : ill. ; 23 cm. Science. Science. fast (OCoLC)fst01108176 Botha, J. (Johan), 1936- Kathan, L. (Louis), 1936- 4. 2. 3. C0 ZAAPA 0 33825 33825 0 0 ddc 0 0 DAPA DAPA 2015-10-19 0 502 DUT APA038268 2015-10-19 1 2015-10-19