Hoppe, P.
Reports on photogeology Kinabalu and Bidu-Bidu Hills area P. Hoppe. - [197?] - 1v. (various pagings) maps 30 cm. + 3 maps.
Geology--Kinabalu--Sabah
Reports on photogeology Kinabalu and Bidu-Bidu Hills area P. Hoppe. - [197?] - 1v. (various pagings) maps 30 cm. + 3 maps.
Geology--Kinabalu--Sabah