The Northwest European pollen flora

Hydro-power the use of water as an alternative source of energy by Simeons, Charles

Also available online for University of the Philippines Diliman via ScienceDirect. Click here to access

Terrestrial plant ecology by Barbour, Michael G.

An approach to the assessment of the socioeconomic impact of the Tongonan Geothermal Power Plant in Tongonan, Leyte by Santos, Teodoro M.

Ocean thermal energy conversion (OTEC) by Garcia, Ruben A.

Radioactive waste management for nuclear power plants by Willis, Charles A.

The NPK nutrition and moisture relation studies and their effects on quality of Virginia tobacco [microform] by Wiroatmodjo, Joedojono 1945-

Chemical, biological, and integrated bio-chemical control of meloidogyne incognita [microform] by Ruelo, Julita Son 1930-

The effect of pH, nutrient level and herbicide treatment on the growth of water-hyacinth (eichhornia orassipes (Mart.) solms [microform]. by Soekisman Tjitrosemito 1942-

Study in yields and morphological characters of sugarcane as affected by spacing and fertilization [microform] by Dalisay, Alejandro Reyes 1941-