Bleeker, P.

Explanatory notes to the soils

Explanatory notes to the soils map of Papua New Guinea

1988

Soils of Papua New Guinea

1983

Analytical data of Papua New G

Analytical data of Papua New Guinea soils

1980

Collected Fishpapers of P. ble

Collected Fishpapers of P. bleeker 10

1976

Collected Fishpapers of P. ble

Collected Fishpapers of P. bleeker 8

1976

Collected Fishpapers of P. ble

Collected Fishpapers of P. bleeker 9

1976