References
- Wright , D.L. , Perry , H.D. and Blazer , R.E. 1978 . “ Persistent low maintenance vegetation for erosion control and aesthetics in highway corridors ” . In Reclamation of drastically disturbed lands , 553 – 583 . Madison, Winconsin, , U.S.A. : A.S.A., C.S.A., S.S.S.A. .
- Jaaback , G. 1971 . The establishment of vegetation in civil engineering work . Proc. Grassld Soc. sth. Afr. , 6 : 181 – 194 .
- Jaaback , G. 1973 . A further investigation into the treatments for adapting difficult slopes for grassing . Proc. Grassld Soc. sth. Afr. , 8 : 97 – 100 .
- Jaaback , G. 1975 . Critical area planting in the United States of America . Proc. Grassld. Soc. sth. Afr. , 10 : 85 – 90 .